Base | Representation |
---|---|
bin | 11101011011011000… |
… | …010110001111111010 |
3 | 10000120002222122002111 |
4 | 131123120112033322 |
5 | 1004203024132224 |
6 | 22303232122534 |
7 | 2166011360020 |
oct | 353330261772 |
9 | 100502878074 |
10 | 31597880314 |
11 | 124451a8180 |
12 | 615a09644a |
13 | 2c97438100 |
14 | 175a74a710 |
15 | c4e059d94 |
hex | 75b6163fa |
31597880314 has 144 divisors (see below), whose sum is σ = 67988897856. Its totient is φ = 10692864000.
The previous prime is 31597880243. The next prime is 31597880323. The reversal of 31597880314 is 41308879513.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7519414 + ... + 7523614.
It is an arithmetic number, because the mean of its divisors is an integer number (472145124).
Almost surely, 231597880314 is an apocalyptic number.
31597880314 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
31597880314 is an abundant number, since it is smaller than the sum of its proper divisors (36391017542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31597880314 is a wasteful number, since it uses less digits than its factorization.
31597880314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4281 (or 4251 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 49.
The spelling of 31597880314 in words is "thirty-one billion, five hundred ninety-seven million, eight hundred eighty thousand, three hundred fourteen".
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