Base | Representation |
---|---|
bin | 11101110010010010… |
… | …000010000000011000 |
3 | 10001112212222001002220 |
4 | 131302102002000120 |
5 | 1010444404204004 |
6 | 22405315224040 |
7 | 2211355240344 |
oct | 356222020030 |
9 | 101485861086 |
10 | 31982100504 |
11 | 12622075522 |
12 | 62468a8020 |
13 | 3028c13133 |
14 | 17957a4624 |
15 | c72b52dd9 |
hex | 772482018 |
31982100504 has 32 divisors (see below), whose sum is σ = 79961843520. Its totient is φ = 10659821216.
The previous prime is 31982100503. The next prime is 31982100511. The reversal of 31982100504 is 40500128913.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31982100503) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285199 + ... + 381185.
It is an arithmetic number, because the mean of its divisors is an integer number (2498807610).
Almost surely, 231982100504 is an apocalyptic number.
It is an amenable number.
31982100504 is an abundant number, since it is smaller than the sum of its proper divisors (47979743016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31982100504 is a wasteful number, since it uses less digits than its factorization.
31982100504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109879 (or 109875 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The spelling of 31982100504 in words is "thirty-one billion, nine hundred eighty-two million, one hundred thousand, five hundred four".
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