Base | Representation |
---|---|
bin | 11101001010011111… |
… | …011111011010101000 |
3 | 2222211100211110112012 |
4 | 131022133133122220 |
5 | 1003113010241300 |
6 | 22215151135052 |
7 | 2156001125366 |
oct | 351237373250 |
9 | 88740743465 |
10 | 31314540200 |
11 | 1230a272599 |
12 | 609b214488 |
13 | 2c50821338 |
14 | 1730c72636 |
15 | c3423c435 |
hex | 74a7df6a8 |
31314540200 has 48 divisors (see below), whose sum is σ = 72848653980. Its totient is φ = 12518530560.
The previous prime is 31314540143. The next prime is 31314540223. The reversal of 31314540200 is 204541313.
It can be written as a sum of positive squares in 6 ways, for example, as 2609370724 + 28705169476 = 51082^2 + 169426^2 .
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, 305942 + ... + 395258.
Almost surely, 231314540200 is an apocalyptic number.
It is an amenable number.
31314540200 is an abundant number, since it is smaller than the sum of its proper divisors (41534113780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31314540200 is a wasteful number, since it uses less digits than its factorization.
31314540200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91086 (or 91077 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The spelling of 31314540200 in words is "thirty-one billion, three hundred fourteen million, five hundred forty thousand, two hundred".
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