Base | Representation |
---|---|
bin | 11101100100000001… |
… | …100000101110011100 |
3 | 10000221012211211102101 |
4 | 131210001200232130 |
5 | 1010002134420420 |
6 | 22325452134444 |
7 | 2202422050324 |
oct | 354401405634 |
9 | 100835754371 |
10 | 31742888860 |
11 | 1250a040251 |
12 | 619a767424 |
13 | 2cbb4aa097 |
14 | 1771ad6284 |
15 | c5bb5060a |
hex | 764060b9c |
31742888860 has 24 divisors (see below), whose sum is σ = 66667317696. Its totient is φ = 12695774400.
The previous prime is 31742888813. The next prime is 31742888909. The reversal of 31742888860 is 6888824713.
It is a super-2 number, since 2×317428888602 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113410 + ... + 276310.
It is an arithmetic number, because the mean of its divisors is an integer number (2777804904).
Almost surely, 231742888860 is an apocalyptic number.
It is an amenable number.
31742888860 is an abundant number, since it is smaller than the sum of its proper divisors (34924428836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31742888860 is a wasteful number, since it uses less digits than its factorization.
31742888860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172653 (or 172651 counting only the distinct ones).
The product of its (nonzero) digits is 4128768, while the sum is 55.
The spelling of 31742888860 in words is "thirty-one billion, seven hundred forty-two million, eight hundred eighty-eight thousand, eight hundred sixty".
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