Base | Representation |
---|---|
bin | 11101001110000111… |
… | …111001101011111000 |
3 | 2222222121110202220222 |
4 | 131032013321223320 |
5 | 1003224104341313 |
6 | 22225205035212 |
7 | 2160341024333 |
oct | 351607715370 |
9 | 88877422828 |
10 | 31375465208 |
11 | 123406a543a |
12 | 60b76b5b08 |
13 | 2c60333339 |
14 | 1738db161a |
15 | c39774208 |
hex | 74e1f9af8 |
31375465208 has 32 divisors (see below), whose sum is σ = 59676210000. Its totient is φ = 15463418880.
The previous prime is 31375465181. The next prime is 31375465241. The reversal of 31375465208 is 80256457313.
It is a congruent number.
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, 55688 + ... + 256616.
Almost surely, 231375465208 is an apocalyptic number.
It is an amenable number.
31375465208 is a deficient number, since it is larger than the sum of its proper divisors (28300744792).
31375465208 is a wasteful number, since it uses less digits than its factorization.
31375465208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201215 (or 201211 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 44.
The spelling of 31375465208 in words is "thirty-one billion, three hundred seventy-five million, four hundred sixty-five thousand, two hundred eight".
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