Base | Representation |
---|---|
bin | 1110011010111100011101… |
… | …10111111011001010110000 |
3 | 11011021122120121020111122102 |
4 | 13031132032313323022300 |
5 | 13124032430441240222 |
6 | 151240204541355532 |
7 | 6452061256205345 |
oct | 715361667731260 |
9 | 134248517214572 |
10 | 31712140571312 |
11 | a117052689553 |
12 | 3682037868ba8 |
13 | 1490599186916 |
14 | 7b8c392687cc |
15 | 39ed8b383d92 |
hex | 1cd78edfb2b0 |
31712140571312 has 40 divisors (see below), whose sum is σ = 61621659825936. Its totient is φ = 15809780192256.
The previous prime is 31712140571297. The next prime is 31712140571329. The reversal of 31712140571312 is 21317504121713.
It is a super-2 number, since 2×317121405713122 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172203188 + ... + 172387244.
Almost surely, 231712140571312 is an apocalyptic number.
It is an amenable number.
31712140571312 is a deficient number, since it is larger than the sum of its proper divisors (29909519254624).
31712140571312 is a wasteful number, since it uses less digits than its factorization.
31712140571312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215445 (or 215439 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 38.
The spelling of 31712140571312 in words is "thirty-one trillion, seven hundred twelve billion, one hundred forty million, five hundred seventy-one thousand, three hundred twelve".
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