Base | Representation |
---|---|
bin | 11100111111001001… |
… | …110010100011010000 |
3 | 2222100002212100211010 |
4 | 130333021302203100 |
5 | 1002220310131112 |
6 | 22144233450520 |
7 | 2151201126225 |
oct | 347711624320 |
9 | 88302770733 |
10 | 31124302032 |
11 | 1222194786a |
12 | 6047570a40 |
13 | 2c202a4385 |
14 | 17138b194c |
15 | c226b063c |
hex | 73f2728d0 |
31124302032 has 40 divisors (see below), whose sum is σ = 85134122496. Its totient is φ = 9764486656.
The previous prime is 31124302019. The next prime is 31124302063. The reversal of 31124302032 is 23020342113.
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, 19070448 + ... + 19072079.
Almost surely, 231124302032 is an apocalyptic number.
It is an amenable number.
31124302032 is an abundant number, since it is smaller than the sum of its proper divisors (54009820464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31124302032 is a wasteful number, since it uses less digits than its factorization.
31124302032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38142555 (or 38142549 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 31124302032 its reverse (23020342113), we get a palindrome (54144644145).
The spelling of 31124302032 in words is "thirty-one billion, one hundred twenty-four million, three hundred two thousand, thirty-two".
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