Base | Representation |
---|---|
bin | 11100111000100101… |
… | …011100000001000100 |
3 | 2222001102111222202001 |
4 | 130320211130001010 |
5 | 1002004102444002 |
6 | 22125255555044 |
7 | 2145362402410 |
oct | 347045340104 |
9 | 88042458661 |
10 | 31014109252 |
11 | 12175724355 |
12 | 601668ba84 |
13 | 2c03502349 |
14 | 1702dc9d40 |
15 | c17b95a87 |
hex | 73895c044 |
31014109252 has 24 divisors (see below), whose sum is σ = 62439009920. Its totient is φ = 13203734400.
The previous prime is 31014109223. The next prime is 31014109283. The reversal of 31014109252 is 25290141013.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 31014109252.
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, 3663477 + ... + 3671932.
Almost surely, 231014109252 is an apocalyptic number.
It is an amenable number.
31014109252 is an abundant number, since it is smaller than the sum of its proper divisors (31424900668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31014109252 is a wasteful number, since it uses less digits than its factorization.
31014109252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7335571 (or 7335569 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 28.
The spelling of 31014109252 in words is "thirty-one billion, fourteen million, one hundred nine thousand, two hundred fifty-two".
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