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1300311123312 = 243611579281251
BaseRepresentation
bin10010111011000000100…
…101010010010101110000
311121022022220210011011210
4102323000211102111300
5132301014121421222
62433204340040120
7162641631116415
oct22730045222560
94538286704153
101300311123312
114615058037a3
12190013693040
13958076bb186
1446d14a1610c
1523c563ced0c
hex12ec0952570

1300311123312 has 80 divisors (see below), whose sum is σ = 3416379294080. Its totient is φ = 426060000000.

The previous prime is 1300311123299. The next prime is 1300311123341. The reversal of 1300311123312 is 2133211130031.

It is a happy number.

It is a super-3 number, since 3×13003111233123 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4482687 + ... + 4763937.

It is an arithmetic number, because the mean of its divisors is an integer number (42704741176).

Almost surely, 21300311123312 is an apocalyptic number.

1300311123312 is a gapful number since it is divisible by the number (12) 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 1300311123312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1708189647040).

1300311123312 is an abundant number, since it is smaller than the sum of its proper divisors (2116068170768).

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

1300311123312 is a wasteful number, since it uses less digits than its factorization.

1300311123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282902 (or 282896 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1300311123312 its reverse (2133211130031), we get a palindrome (3433522253343).

The spelling of 1300311123312 in words is "one trillion, three hundred billion, three hundred eleven million, one hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 61 122 183 244 366 488 732 976 1464 1579 2928 3158 4737 6316 9474 12632 18948 25264 37896 75792 96319 192638 281251 288957 385276 562502 577914 770552 843753 1125004 1155828 1541104 1687506 2250008 2311656 3375012 4500016 4623312 6750024 13500048 17156311 34312622 51468933 68625244 102937866 137250488 205875732 274500976 411751464 444095329 823502928 888190658 1332285987 1776381316 2664571974 3552762632 5329143948 7105525264 10658287896 21316575792 27089815069 54179630138 81269445207 108359260276 162538890414 216718520552 325077780828 433437041104 650155561656 1300311123312