Base | Representation |
---|---|
bin | 11101101011100001… |
… | …110101100011001011 |
3 | 10001020222202221112020 |
4 | 131223201311203023 |
5 | 1010231403201100 |
6 | 22350151015523 |
7 | 2205511233621 |
oct | 355341654313 |
9 | 101228687466 |
10 | 31868803275 |
11 | 12574121651 |
12 | 621496a5a3 |
13 | 300b5c505a |
14 | 1784711511 |
15 | c67c235a0 |
hex | 76b8758cb |
31868803275 has 48 divisors (see below), whose sum is σ = 53957733984. Its totient is φ = 16590945280.
The previous prime is 31868803223. The next prime is 31868803297. The reversal of 31868803275 is 57230886813.
It is not a de Polignac number, because 31868803275 - 27 = 31868803147 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 762727 + ... + 803423.
It is an arithmetic number, because the mean of its divisors is an integer number (1124119458).
Almost surely, 231868803275 is an apocalyptic number.
31868803275 is a deficient number, since it is larger than the sum of its proper divisors (22088930709).
31868803275 is a wasteful number, since it uses less digits than its factorization.
31868803275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40960 (or 40955 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 51.
The spelling of 31868803275 in words is "thirty-one billion, eight hundred sixty-eight million, eight hundred three thousand, two hundred seventy-five".
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