Base | Representation |
---|---|
bin | 100001111001111100… |
… | …0000010001100001010 |
3 | 20221221022210112002100 |
4 | 1003303320002030022 |
5 | 2143104110414013 |
6 | 53240545014230 |
7 | 5155216352142 |
oct | 1036370021412 |
9 | 227838715070 |
10 | 72811029258 |
11 | 28973a22a50 |
12 | 12140324376 |
13 | 6b34936a86 |
14 | 374a0ab922 |
15 | 1d622c8473 |
hex | 10f3e0230a |
72811029258 has 48 divisors (see below), whose sum is σ = 172548320256. Its totient is φ = 22006317120.
The previous prime is 72811029241. The next prime is 72811029271. The reversal of 72811029258 is 85292011827.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404235 + ... + 555902.
It is an arithmetic number, because the mean of its divisors is an integer number (3594756672).
Almost surely, 272811029258 is an apocalyptic number.
72811029258 is an abundant number, since it is smaller than the sum of its proper divisors (99737290998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72811029258 is a wasteful number, since it uses less digits than its factorization.
72811029258 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 960539 (or 960536 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 45.
The spelling of 72811029258 in words is "seventy-two billion, eight hundred eleven million, twenty-nine thousand, two hundred fifty-eight".
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