Base | Representation |
---|---|
bin | 11100110111111111… |
… | …000111101001000101 |
3 | 2222000201121122200201 |
4 | 130313333013221011 |
5 | 1001444020024300 |
6 | 22124300410501 |
7 | 2145211125043 |
oct | 346777075105 |
9 | 88021548621 |
10 | 31004064325 |
11 | 1216aa93463 |
12 | 6013246a31 |
13 | 2c013c61c0 |
14 | 1701933393 |
15 | c16d5e66a |
hex | 737fc7a45 |
31004064325 has 24 divisors (see below), whose sum is σ = 41413601096. Its totient is φ = 22889088000.
The previous prime is 31004064319. The next prime is 31004064337. The reversal of 31004064325 is 52346040013.
It can be written as a sum of positive squares in 12 ways, for example, as 11990688004 + 19013376321 = 109502^2 + 137889^2 .
It is not a de Polignac number, because 31004064325 - 215 = 31004031557 is a prime.
It is a super-2 number, since 2×310040643252 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31004064293 and 31004064302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1432585 + ... + 1454065.
Almost surely, 231004064325 is an apocalyptic number.
It is an amenable number.
31004064325 is a deficient number, since it is larger than the sum of its proper divisors (10409536771).
31004064325 is a wasteful number, since it uses less digits than its factorization.
31004064325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25945 (or 25940 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 28.
The spelling of 31004064325 in words is "thirty-one billion, four million, sixty-four thousand, three hundred twenty-five".
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