Base | Representation |
---|---|
bin | 11101101101010011… |
… | …110010010011100100 |
3 | 10001100001222120000100 |
4 | 131231103302103210 |
5 | 1010312030040104 |
6 | 22353135144100 |
7 | 2206323154512 |
oct | 355523622344 |
9 | 101301876010 |
10 | 31898674404 |
11 | 12589a74233 |
12 | 6222975030 |
13 | 301485348c |
14 | 17886894b2 |
15 | c6a674139 |
hex | 76d4f24e4 |
31898674404 has 135 divisors (see below), whose sum is σ = 86512092303. Its totient is φ = 9910267776.
The previous prime is 31898674369. The next prime is 31898674417. The reversal of 31898674404 is 40447689813.
The square root of 31898674404 is 178602.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 2 ways, for example, as 9899852004 + 21998822400 = 99498^2 + 148320^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 309695817 + ... + 309695919.
Almost surely, 231898674404 is an apocalyptic number.
31898674404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
31898674404 is the 178602-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31898674404
31898674404 is an abundant number, since it is smaller than the sum of its proper divisors (54613417899).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31898674404 is an equidigital number, since it uses as much as digits as its factorization.
31898674404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284 (or 125 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 54.
The spelling of 31898674404 in words is "thirty-one billion, eight hundred ninety-eight million, six hundred seventy-four thousand, four hundred four".
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