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312231030030300 = 223524797332275151
BaseRepresentation
bin100011011111110001111001…
…1101000011111111111011100
31111221111222212022210020110110
41012333203303220133333130
5311411043122141432200
63024020542141410020
7122523642664402203
oct10677436350377734
91457458768706413
10312231030030300
1190539488673567
122b028570269910
131052b34b9cb834
1457160c366823a
152616ca3e91b50
hex11bf8f3a1ffdc

312231030030300 has 144 divisors (see below), whose sum is σ = 922704675121152. Its totient is φ = 81481676064000.

The previous prime is 312231030030299. The next prime is 312231030030317. The reversal of 312231030030300 is 3030030132213.

It is a super-2 number, since 2×3122310300303002 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136097725 + ... + 138372875.

It is an arithmetic number, because the mean of its divisors is an integer number (6407671355008).

Almost surely, 2312231030030300 is an apocalyptic number.

312231030030300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312231030030300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461352337560576).

312231030030300 is an abundant number, since it is smaller than the sum of its proper divisors (610473645090852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312231030030300 is a wasteful number, since it uses less digits than its factorization.

312231030030300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284948 (or 2284941 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 312231030030300 its reverse (3030030132213), we get a palindrome (315261060162513).

The spelling of 312231030030300 in words is "three hundred twelve trillion, two hundred thirty-one billion, thirty million, thirty thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 47 50 60 75 94 100 141 150 188 235 282 300 470 564 705 940 1175 1410 2350 2820 3525 4700 7050 9733 14100 19466 29199 38932 48665 58398 97330 116796 145995 194660 243325 291990 457451 486650 583980 729975 914902 973300 1372353 1459950 1829804 2275151 2287255 2744706 2919900 4550302 4574510 5489412 6825453 6861765 9100604 9149020 11375755 11436275 13650906 13723530 22751510 22872550 27301812 27447060 34127265 34308825 45503020 45745100 56878775 68254530 68617650 106932097 113757550 136509060 137235300 170636325 213864194 227515100 320796291 341272650 427728388 534660485 641592582 682545300 1069320970 1283185164 1603981455 2138641940 2673302425 3207962910 5346604850 6415925820 8019907275 10693209700 16039814550 22144044683 32079629100 44288089366 66432134049 88576178732 110720223415 132864268098 221440446830 265728536196 332160670245 442880893660 553601117075 664321340490 1040770100101 1107202234150 1328642680980 1660803351225 2081540200202 2214404468300 3122310300303 3321606702450 4163080400404 5203850500505 6244620600606 6643213404900 10407701001010 12489241201212 15611551501515 20815402002020 26019252502525 31223103003030 52038505005050 62446206006060 78057757507575 104077010010100 156115515015150 312231030030300