Base | Representation |
---|---|
bin | 11100110111111001… |
… | …101101001110100100 |
3 | 2222000121221120022101 |
4 | 130313321231032210 |
5 | 1001443134123122 |
6 | 22124210141444 |
7 | 2145163065214 |
oct | 346771551644 |
9 | 88017846271 |
10 | 31002645412 |
11 | 1216a204402 |
12 | 6012881884 |
13 | 2c0101a3cb |
14 | 1701684244 |
15 | c16b7e027 |
hex | 737e6d3a4 |
31002645412 has 24 divisors (see below), whose sum is σ = 54761616000. Its totient is φ = 15357139776.
The previous prime is 31002645383. The next prime is 31002645437. The reversal of 31002645412 is 21454620013.
It is a super-2 number, since 2×310026454122 (a number of 22 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, 101889 + ... + 269047.
It is an arithmetic number, because the mean of its divisors is an integer number (2281734000).
Almost surely, 231002645412 is an apocalyptic number.
It is an amenable number.
31002645412 is a deficient number, since it is larger than the sum of its proper divisors (23758970588).
31002645412 is a wasteful number, since it uses less digits than its factorization.
31002645412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167595 (or 167593 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
The spelling of 31002645412 in words is "thirty-one billion, two million, six hundred forty-five thousand, four hundred twelve".
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