Base | Representation |
---|---|
bin | 11101101011110001… |
… | …100100110111100000 |
3 | 10001021021112120022001 |
4 | 131223301210313200 |
5 | 1010233432213443 |
6 | 22350415253344 |
7 | 2205561266656 |
oct | 355361446740 |
9 | 101237476261 |
10 | 31872929248 |
11 | 1257648a546 |
12 | 621621a254 |
13 | 300c40b064 |
14 | 17850a6dd6 |
15 | c6828ad4d |
hex | 76bc64de0 |
31872929248 has 48 divisors (see below), whose sum is σ = 68183216640. Its totient is φ = 14610672000.
The previous prime is 31872929239. The next prime is 31872929251. The reversal of 31872929248 is 84292927813.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826678 + ... + 864373.
It is an arithmetic number, because the mean of its divisors is an integer number (1420483680).
Almost surely, 231872929248 is an apocalyptic number.
31872929248 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
31872929248 is an abundant number, since it is smaller than the sum of its proper divisors (36310287392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31872929248 is a wasteful number, since it uses less digits than its factorization.
31872929248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1691111 (or 1691103 counting only the distinct ones).
The product of its digits is 3483648, while the sum is 55.
The spelling of 31872929248 in words is "thirty-one billion, eight hundred seventy-two million, nine hundred twenty-nine thousand, two hundred forty-eight".
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