Base | Representation |
---|---|
bin | 11101010010110001… |
… | …100010110010000000 |
3 | 10000012001021212020100 |
4 | 131102301202302000 |
5 | 1003404043142204 |
6 | 22241033242400 |
7 | 2162306153625 |
oct | 352261426200 |
9 | 100161255210 |
10 | 31453490304 |
11 | 12380747895 |
12 | 6119863400 |
13 | 2c73551832 |
14 | 17454c234c |
15 | c41537a39 |
hex | 752c62c80 |
31453490304 has 96 divisors (see below), whose sum is σ = 95834912940. Its totient is φ = 9867755520.
The previous prime is 31453490291. The next prime is 31453490347. The reversal of 31453490304 is 40309435413.
31453490304 is a `hidden beast` number, since 3 + 1 + 4 + 5 + 349 + 0 + 304 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 29735553600 + 1717936704 = 172440^2 + 41448^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783457 + ... + 822624.
Almost surely, 231453490304 is an apocalyptic number.
31453490304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
31453490304 is an abundant number, since it is smaller than the sum of its proper divisors (64381422636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31453490304 is a wasteful number, since it uses less digits than its factorization.
31453490304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1606118 (or 1606103 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 36.
The spelling of 31453490304 in words is "thirty-one billion, four hundred fifty-three million, four hundred ninety thousand, three hundred four".
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