Base | Representation |
---|---|
bin | 100001111010000111… |
… | …0010101110111000100 |
3 | 20221221201210121200020 |
4 | 1003310032111313010 |
5 | 2143112110030441 |
6 | 53241314215140 |
7 | 5155320146013 |
oct | 1036416256704 |
9 | 227851717606 |
10 | 72816876996 |
11 | 28977257496 |
12 | 121422844b0 |
13 | 6b35c03686 |
14 | 374ab90a7a |
15 | 1d62a80e66 |
hex | 10f4395dc4 |
72816876996 has 48 divisors (see below), whose sum is σ = 175747461120. Its totient is φ = 23441024160.
The previous prime is 72816876991. The next prime is 72816877043. The reversal of 72816876996 is 69967861827.
It is a self number, because there is not a number n which added to its sum of digits gives 72816876996.
It is not an unprimeable number, because it can be changed into a prime (72816876991) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19806 + ... + 382133.
It is an arithmetic number, because the mean of its divisors is an integer number (3661405440).
Almost surely, 272816876996 is an apocalyptic number.
It is an amenable number.
72816876996 is an abundant number, since it is smaller than the sum of its proper divisors (102930584124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72816876996 is a wasteful number, since it uses less digits than its factorization.
72816876996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402464 (or 402462 counting only the distinct ones).
The product of its digits is 109734912, while the sum is 69.
The spelling of 72816876996 in words is "seventy-two billion, eight hundred sixteen million, eight hundred seventy-six thousand, nine hundred ninety-six".
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