Base | Representation |
---|---|
bin | 11101011100010000… |
… | …111011100001101100 |
3 | 10000121010220012210202 |
4 | 131130100323201230 |
5 | 1004220323304233 |
6 | 22304522053032 |
7 | 2166251425136 |
oct | 353420734154 |
9 | 100533805722 |
10 | 31612713068 |
11 | 12452609252 |
12 | 616304a178 |
13 | 2c9a52c5a1 |
14 | 175c6cc056 |
15 | c504d9be8 |
hex | 75c43b86c |
31612713068 has 12 divisors (see below), whose sum is σ = 55326706680. Its totient is φ = 15805082592.
The previous prime is 31612713053. The next prime is 31612713071. The reversal of 31612713068 is 86031721613.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261521 + ... + 362792.
It is an arithmetic number, because the mean of its divisors is an integer number (4610558890).
Almost surely, 231612713068 is an apocalyptic number.
It is an amenable number.
31612713068 is a deficient number, since it is larger than the sum of its proper divisors (23713993612).
31612713068 is a wasteful number, since it uses less digits than its factorization.
31612713068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 636976 (or 636974 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 38.
The spelling of 31612713068 in words is "thirty-one billion, six hundred twelve million, seven hundred thirteen thousand, sixty-eight".
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