Base | Representation |
---|---|
bin | 11101001101001101… |
… | …011101101110001000 |
3 | 2222221112122111100110 |
4 | 131031031131232020 |
5 | 1003211144140222 |
6 | 22223500434320 |
7 | 2160063562665 |
oct | 351515355610 |
9 | 88845574313 |
10 | 31360146312 |
11 | 12332a920a0 |
12 | 60b25489a0 |
13 | 2c5a0cb7c1 |
14 | 1736d44a6c |
15 | c3824a30c |
hex | 74d35db88 |
31360146312 has 64 divisors (see below), whose sum is σ = 85766169600. Its totient is φ = 9476575040.
The previous prime is 31360146263. The next prime is 31360146341. The reversal of 31360146312 is 21364106313.
It is a super-3 number, since 3×313601463123 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 31360146312.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 70668 + ... + 260219.
It is an arithmetic number, because the mean of its divisors is an integer number (1340096400).
Almost surely, 231360146312 is an apocalyptic number.
It is an amenable number.
31360146312 is an abundant number, since it is smaller than the sum of its proper divisors (54406023288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31360146312 is a wasteful number, since it uses less digits than its factorization.
31360146312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331266 (or 331262 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 30.
The spelling of 31360146312 in words is "thirty-one billion, three hundred sixty million, one hundred forty-six thousand, three hundred twelve".
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