Base | Representation |
---|---|
bin | 11100111100101010… |
… | …100001110011011000 |
3 | 2222020012022021021111 |
4 | 130330222201303120 |
5 | 1002124113140121 |
6 | 22140142550104 |
7 | 2150153223460 |
oct | 347452416330 |
9 | 88205267244 |
10 | 31082552536 |
11 | 12200321852 |
12 | 6035598334 |
13 | 2c14747429 |
14 | 170c124ba0 |
15 | c1dbb52e1 |
hex | 73caa1cd8 |
31082552536 has 16 divisors (see below), whose sum is σ = 66605469840. Its totient is φ = 13321093920.
The previous prime is 31082552509. The next prime is 31082552539. The reversal of 31082552536 is 63525528013.
It is a super-2 number, since 2×310825525362 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31082552539) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277522735 + ... + 277522846.
It is an arithmetic number, because the mean of its divisors is an integer number (4162841865).
Almost surely, 231082552536 is an apocalyptic number.
It is an amenable number.
31082552536 is an abundant number, since it is smaller than the sum of its proper divisors (35522917304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31082552536 is a wasteful number, since it uses less digits than its factorization.
31082552536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 555045594 (or 555045590 counting only the distinct ones).
The product of its (nonzero) digits is 216000, while the sum is 40.
The spelling of 31082552536 in words is "thirty-one billion, eighty-two million, five hundred fifty-two thousand, five hundred thirty-six".
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