Base | Representation |
---|---|
bin | 11101001101111111… |
… | …111001010010100000 |
3 | 2222222110112010221112 |
4 | 131031333321102200 |
5 | 1003223040211212 |
6 | 22225052042452 |
7 | 2160314133422 |
oct | 351577712240 |
9 | 88873463845 |
10 | 31373366432 |
11 | 1233a4a1611 |
12 | 60b6a63428 |
13 | 2c5ca79c65 |
14 | 17389c6812 |
15 | c394ac422 |
hex | 74dff94a0 |
31373366432 has 24 divisors (see below), whose sum is σ = 61967527776. Its totient is φ = 15635581632.
The previous prime is 31373366417. The next prime is 31373366503. The reversal of 31373366432 is 23466337313.
It is a self number, because there is not a number n which added to its sum of digits gives 31373366432.
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, 1586948 + ... + 1606595.
It is an arithmetic number, because the mean of its divisors is an integer number (2581980324).
Almost surely, 231373366432 is an apocalyptic number.
31373366432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
31373366432 is a deficient number, since it is larger than the sum of its proper divisors (30594161344).
31373366432 is a wasteful number, since it uses less digits than its factorization.
31373366432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3193860 (or 3193852 counting only the distinct ones).
The product of its digits is 489888, while the sum is 41.
The spelling of 31373366432 in words is "thirty-one billion, three hundred seventy-three million, three hundred sixty-six thousand, four hundred thirty-two".
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