Base | Representation |
---|---|
bin | 100001100100011000… |
… | …1000001010111011110 |
3 | 20220001220212011201021 |
4 | 1003020301001113132 |
5 | 2140113432124330 |
6 | 53041111034354 |
7 | 5131254640243 |
oct | 1031061012736 |
9 | 226056764637 |
10 | 72087770590 |
11 | 28632738010 |
12 | 11b7a06b9ba |
13 | 6a4ab42c74 |
14 | 36bbddb5ca |
15 | 1d1da5e67a |
hex | 10c8c415de |
72087770590 has 16 divisors (see below), whose sum is σ = 141554167920. Its totient is φ = 26213734720.
The previous prime is 72087770567. The next prime is 72087770617. The reversal of 72087770590 is 9507778027.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327671575 + ... + 327671794.
It is an arithmetic number, because the mean of its divisors is an integer number (8847135495).
Almost surely, 272087770590 is an apocalyptic number.
72087770590 is a deficient number, since it is larger than the sum of its proper divisors (69466397330).
72087770590 is a wasteful number, since it uses less digits than its factorization.
72087770590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 655343387.
The product of its (nonzero) digits is 1728720, while the sum is 52.
The spelling of 72087770590 in words is "seventy-two billion, eighty-seven million, seven hundred seventy thousand, five hundred ninety".
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