Base | Representation |
---|---|
bin | 11101001111110001… |
… | …011001011111111000 |
3 | 10000001112111211000221 |
4 | 131033301121133320 |
5 | 1003303144330012 |
6 | 22232033505424 |
7 | 2161125056362 |
oct | 351761313770 |
9 | 100045454027 |
10 | 31403120632 |
11 | 12355274364 |
12 | 6104a12274 |
13 | 2c65c970b0 |
14 | 173c92dd32 |
15 | c3bdd8507 |
hex | 74fc597f8 |
31403120632 has 16 divisors (see below), whose sum is σ = 63410147640. Its totient is φ = 14493747936.
The previous prime is 31403120627. The next prime is 31403120731. The reversal of 31403120632 is 23602130413.
It is a junction number, because it is equal to n+sod(n) for n = 31403120597 and 31403120606.
It is a congruent number.
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, 150976438 + ... + 150976645.
Almost surely, 231403120632 is an apocalyptic number.
It is an amenable number.
31403120632 is an abundant number, since it is smaller than the sum of its proper divisors (32007027008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31403120632 is a wasteful number, since it uses less digits than its factorization.
31403120632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301953102 (or 301953098 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 25.
The spelling of 31403120632 in words is "thirty-one billion, four hundred three million, one hundred twenty thousand, six hundred thirty-two".
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