Base | Representation |
---|---|
bin | 11101010111010110… |
… | …011001001010001100 |
3 | 10000101101202010012111 |
4 | 131113112121022030 |
5 | 1004033221242314 |
6 | 22252414513404 |
7 | 2164230531412 |
oct | 352726311214 |
9 | 100341663174 |
10 | 31530259084 |
11 | 12410011365 |
12 | 613b505864 |
13 | 2c8642024c |
14 | 17517872b2 |
15 | c4814dec4 |
hex | 75759928c |
31530259084 has 12 divisors (see below), whose sum is σ = 55179926704. Its totient is φ = 15764565744.
The previous prime is 31530259039. The next prime is 31530259093. The reversal of 31530259084 is 48095203513.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697 + ... + 251119.
Almost surely, 231530259084 is an apocalyptic number.
It is an amenable number.
31530259084 is a deficient number, since it is larger than the sum of its proper divisors (23649667620).
31530259084 is a wasteful number, since it uses less digits than its factorization.
31530259084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281904 (or 281902 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 40.
The spelling of 31530259084 in words is "thirty-one billion, five hundred thirty million, two hundred fifty-nine thousand, eighty-four".
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