Base | Representation |
---|---|
bin | 11100111010010001… |
… | …110100100010101100 |
3 | 2222010101222110200122 |
4 | 130322101310202230 |
5 | 1002033341140020 |
6 | 22132152544112 |
7 | 2146156035302 |
oct | 347221644254 |
9 | 88111873618 |
10 | 31042521260 |
11 | 1218a76a753 |
12 | 60240b2038 |
13 | 2c0936c59a |
14 | 1706aa4272 |
15 | c1a409125 |
hex | 73a4748ac |
31042521260 has 12 divisors (see below), whose sum is σ = 65189294688. Its totient is φ = 12417008496.
The previous prime is 31042521259. The next prime is 31042521277. The reversal of 31042521260 is 6212524013.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776063012 + ... + 776063051.
It is an arithmetic number, because the mean of its divisors is an integer number (5432441224).
Almost surely, 231042521260 is an apocalyptic number.
It is an amenable number.
31042521260 is an abundant number, since it is smaller than the sum of its proper divisors (34146773428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31042521260 is a wasteful number, since it uses less digits than its factorization.
31042521260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1552126072 (or 1552126070 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
The spelling of 31042521260 in words is "thirty-one billion, forty-two million, five hundred twenty-one thousand, two hundred sixty".
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