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23030031313100 = 22527175336515033
BaseRepresentation
bin1010011110010000110001…
…10101011110100011001100
310000112122112110221112222102
411033020120311132203030
511004311001004004400
6120551503400534232
74564602434152460
oct517103065364314
9100478473845872
1023030031313100
117379a88314839
1226bb45aa81378
13cb0951820596
145989337d04a0
1529e0e5d3b9d5
hex14f218d5e8cc

23030031313100 has 144 divisors (see below), whose sum is σ = 61615176251328. Its totient is φ = 7291321589760.

The previous prime is 23030031313039. The next prime is 23030031313109. The reversal of 23030031313100 is 131313003032.

It is a super-2 number, since 2×230300313131002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (23030031313109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17626817 + ... + 18888216.

It is an arithmetic number, because the mean of its divisors is an integer number (427883168412).

Almost surely, 223030031313100 is an apocalyptic number.

23030031313100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030031313100 is an abundant number, since it is smaller than the sum of its proper divisors (38585144938228).

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

23030031313100 is a wasteful number, since it uses less digits than its factorization.

23030031313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36515124 (or 36515117 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 23030031313100 its reverse (131313003032), we get a palindrome (23161344316132).

The spelling of 23030031313100 in words is "twenty-three trillion, thirty billion, thirty-one million, three hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 17 20 25 28 34 35 50 53 68 70 85 100 106 119 140 170 175 212 238 265 340 350 371 425 476 530 595 700 742 850 901 1060 1190 1325 1484 1700 1802 1855 2380 2650 2975 3604 3710 4505 5300 5950 6307 7420 9010 9275 11900 12614 18020 18550 22525 25228 31535 37100 45050 63070 90100 126140 157675 315350 630700 36515033 73030066 146060132 182575165 255605231 365150330 511210462 620755561 730300660 912875825 1022420924 1241511122 1278026155 1825751650 1935296749 2483022244 2556052310 3103777805 3651503300 3870593498 4345288927 5112104620 6207555610 6390130775 7741186996 8690577854 9676483745 12415111220 12780261550 13547077243 15518889025 17381155708 19352967490 21726444635 25560523100 27094154486 31037778050 32900044733 38705934980 43452889270 48382418725 54188308972 62075556100 65800089466 67735386215 86905778540 96764837450 108632223175 131600178932 135470772430 164500223665 193529674900 217264446350 230300313131 270941544860 329000447330 338676931075 434528892700 460600626262 658000894660 677353862150 822501118325 921201252524 1151501565655 1354707724300 1645002236650 2303003131310 3290004473300 4606006262620 5757507828275 11515015656550 23030031313100