Base | Representation |
---|---|
bin | 11101000100001001… |
… | …010000100101000100 |
3 | 2222112221110011000100 |
4 | 131010021100211010 |
5 | 1002403230031324 |
6 | 22200424444100 |
7 | 2153236016331 |
oct | 350411204504 |
9 | 88487404010 |
10 | 31208048964 |
11 | 12265148104 |
12 | 606b619630 |
13 | 2c34747081 |
14 | 1720a71988 |
15 | c29c044c9 |
hex | 744250944 |
31208048964 has 27 divisors (see below), whose sum is σ = 78889692063. Its totient is φ = 10402329672.
The previous prime is 31208048959. The next prime is 31208048981. The reversal of 31208048964 is 46984080213.
It is a happy number.
The square root of 31208048964 is 176658.
It is a perfect power (a square), and thus also a powerful number.
31208048964 is a `hidden beast` number, since 31 + 2 + 0 + 80 + 489 + 64 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1045227 + ... + 1074669.
Almost surely, 231208048964 is an apocalyptic number.
31208048964 is the 176658-th square number.
It is an amenable number.
31208048964 is an abundant number, since it is smaller than the sum of its proper divisors (47681643099).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31208048964 is an frugal number, since it uses more digits than its factorization.
31208048964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58896 (or 29448 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 45.
The spelling of 31208048964 in words is "thirty-one billion, two hundred eight million, forty-eight thousand, nine hundred sixty-four".
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