Base | Representation |
---|---|
bin | 100001100111000010… |
… | …0110110010011000000 |
3 | 20220022010111002110112 |
4 | 1003032010312103000 |
5 | 2140304233313313 |
6 | 53054012250452 |
7 | 5133416065244 |
oct | 1031604662300 |
9 | 226263432415 |
10 | 72176854208 |
11 | 28678a52938 |
12 | 11ba3a70a28 |
13 | 6a63433a74 |
14 | 36c9b8a424 |
15 | 1d267a98a8 |
hex | 10ce1364c0 |
72176854208 has 56 divisors (see below), whose sum is σ = 151986447360. Its totient is φ = 33934250240.
The previous prime is 72176854207. The next prime is 72176854223. The reversal of 72176854208 is 80245867127.
It is not an unprimeable number, because it can be changed into a prime (72176854207) 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, 328688 + ... + 502383.
Almost surely, 272176854208 is an apocalyptic number.
It is an amenable number.
72176854208 is an abundant number, since it is smaller than the sum of its proper divisors (79809593152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72176854208 is a wasteful number, since it uses less digits than its factorization.
72176854208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 831165 (or 831155 counting only the distinct ones).
The product of its (nonzero) digits is 1505280, while the sum is 50.
The spelling of 72176854208 in words is "seventy-two billion, one hundred seventy-six million, eight hundred fifty-four thousand, two hundred eight".
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