Base | Representation |
---|---|
bin | 11101001010001000… |
… | …001110110101010010 |
3 | 2222210221100200200120 |
4 | 131022020032311102 |
5 | 1003104430133322 |
6 | 22214412331110 |
7 | 2155565242236 |
oct | 351210166522 |
9 | 88727320616 |
10 | 31308442962 |
11 | 12306888655 |
12 | 6099173a96 |
13 | 2c4c497cc4 |
14 | 17301265c6 |
15 | c33935a5c |
hex | 74a20ed52 |
31308442962 has 32 divisors (see below), whose sum is σ = 63406929600. Its totient is φ = 10304794368.
The previous prime is 31308442961. The next prime is 31308443021. The reversal of 31308442962 is 26924480313.
It is not an unprimeable number, because it can be changed into a prime (31308442961) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354958 + ... + 434294.
It is an arithmetic number, because the mean of its divisors is an integer number (1981466550).
Almost surely, 231308442962 is an apocalyptic number.
31308442962 is an abundant number, since it is smaller than the sum of its proper divisors (32098486638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31308442962 is a wasteful number, since it uses less digits than its factorization.
31308442962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80170.
The product of its (nonzero) digits is 248832, while the sum is 42.
The spelling of 31308442962 in words is "thirty-one billion, three hundred eight million, four hundred forty-two thousand, nine hundred sixty-two".
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