Base | Representation |
---|---|
bin | 11100110111111111… |
… | …110000111010110000 |
3 | 2222000201221020121110 |
4 | 130313333300322300 |
5 | 1001444040432032 |
6 | 22124304153320 |
7 | 2145212430666 |
oct | 346777607260 |
9 | 88021836543 |
10 | 31004233392 |
11 | 12170099490 |
12 | 6013308840 |
13 | 2c01455142 |
14 | 1701978c36 |
15 | c16d947cc |
hex | 737ff0eb0 |
31004233392 has 40 divisors (see below), whose sum is σ = 87375568320. Its totient is φ = 9395222080.
The previous prime is 31004233373. The next prime is 31004233409. The reversal of 31004233392 is 29333240013.
It is a super-2 number, since 2×310042333922 (a number of 22 digits) contains 22 as substring.
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, 29359542 + ... + 29360597.
It is an arithmetic number, because the mean of its divisors is an integer number (2184389208).
Almost surely, 231004233392 is an apocalyptic number.
It is an amenable number.
31004233392 is an abundant number, since it is smaller than the sum of its proper divisors (56371334928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31004233392 is a wasteful number, since it uses less digits than its factorization.
31004233392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58720161 (or 58720155 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 30.
The spelling of 31004233392 in words is "thirty-one billion, four million, two hundred thirty-three thousand, three hundred ninety-two".
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