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313023013101988 = 227172397001393017
BaseRepresentation
bin100011100101100010101100…
…1100000001010000110100100
31112001022201002222122211021021
41013023011121200022012210
5312012032112323230423
63025424441555300524
7122635111033420330
oct10713053140120644
91461281088584237
10313023013101988
1190814350448372
122b135b598aa744
1310587c35a88b37
145742574d9a7c0
15262c6a854295d
hex11cb15980a1a4

313023013101988 has 96 divisors (see below), whose sum is σ = 665742559749120. Its totient is φ = 125714813952000.

The previous prime is 313023013101949. The next prime is 313023013101989. The reversal of 313023013101988 is 889101310320313.

It is a super-2 number, since 2×3130230131019882 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313023013101989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 796265256 + ... + 796658272.

It is an arithmetic number, because the mean of its divisors is an integer number (6934818330720).

Almost surely, 2313023013101988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313023013101988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332871279874560).

313023013101988 is an abundant number, since it is smaller than the sum of its proper divisors (352719546647132).

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

313023013101988 is a wasteful number, since it uses less digits than its factorization.

313023013101988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400285 (or 400283 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 313023013101988 in words is "three hundred thirteen trillion, twenty-three billion, thirteen million, one hundred one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 239 476 478 956 1673 3346 4063 6692 7001 8126 14002 16252 28004 28441 49007 56882 98014 113764 119017 196028 238034 393017 476068 786034 833119 1572068 1666238 1673239 2751119 3332476 3346478 5502238 6681289 6692956 11004476 11712673 13362578 23425346 26725156 28445063 46769023 46850692 56890126 93538046 93931063 113780252 187076092 187862126 199115441 375724252 398230882 657517441 796461764 1315034882 1596828071 2630069764 2751512017 3193656142 5503024034 6387312284 11006048068 11177796497 19260584119 22355592994 38521168238 44711185988 46775704289 77042336476 93551408578 187102817156 327429930023 654859860046 657611372063 1309719720092 1315222744126 2630445488252 4603279604441 9206559208882 11179393325071 18413118417764 22358786650142 44717573300284 78255753275497 156511506550994 313023013101988