Base | Representation |
---|---|
bin | 100001101011101001… |
… | …0001101010100000000 |
3 | 20220200220012100121220 |
4 | 1003113102031110000 |
5 | 2141113311220141 |
6 | 53121211515040 |
7 | 5140303225131 |
oct | 1032722152400 |
9 | 226626170556 |
10 | 72331351296 |
11 | 28748186886 |
12 | 12027758a80 |
13 | 6a89448869 |
14 | 37024c5c88 |
15 | 1d35126766 |
hex | 10d748d500 |
72331351296 has 36 divisors (see below), whose sum is σ = 192506879712. Its totient is φ = 24110450176.
The previous prime is 72331351271. The next prime is 72331351321. The reversal of 72331351296 is 69215313327.
It is an interprime number because it is at equal distance from previous prime (72331351271) and next prime (72331351321).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47089956 + ... + 47091491.
Almost surely, 272331351296 is an apocalyptic number.
It is an amenable number.
72331351296 is an abundant number, since it is smaller than the sum of its proper divisors (120175528416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72331351296 is an equidigital number, since it uses as much as digits as its factorization.
72331351296 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94181466 (or 94181452 counting only the distinct ones).
The product of its digits is 204120, while the sum is 42.
The spelling of 72331351296 in words is "seventy-two billion, three hundred thirty-one million, three hundred fifty-one thousand, two hundred ninety-six".
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