Base | Representation |
---|---|
bin | 100001111110000001… |
… | …0110111011011111000 |
3 | 20222021212200202022020 |
4 | 1003330002313123320 |
5 | 2143344202232040 |
6 | 53302322354440 |
7 | 5161502335041 |
oct | 1037402673370 |
9 | 228255622266 |
10 | 72948086520 |
11 | 28a34325111 |
12 | 1217a1bba20 |
13 | 6b5715384a |
14 | 37603878c8 |
15 | 1d6e34ccd0 |
hex | 10fc0b76f8 |
72948086520 has 64 divisors (see below), whose sum is σ = 220109317920. Its totient is φ = 19340373504.
The previous prime is 72948086489. The next prime is 72948086557. The reversal of 72948086520 is 2568084927.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736179 + ... + 1777698.
Almost surely, 272948086520 is an apocalyptic number.
It is an amenable number.
72948086520 is an abundant number, since it is smaller than the sum of its proper divisors (147161231400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72948086520 is a wasteful number, since it uses less digits than its factorization.
72948086520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3514064 (or 3514060 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 51.
The spelling of 72948086520 in words is "seventy-two billion, nine hundred forty-eight million, eighty-six thousand, five hundred twenty".
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