Base | Representation |
---|---|
bin | 100001011001001111… |
… | …1001100000011001000 |
3 | 20212002212112111201222 |
4 | 1002302133030003020 |
5 | 2133332240401000 |
6 | 52540035501212 |
7 | 5116065626312 |
oct | 1026237140310 |
9 | 225085474658 |
10 | 71713997000 |
11 | 28460755418 |
12 | 11a94a57808 |
13 | 69bb584b69 |
14 | 36845027b2 |
15 | 1cead2ba85 |
hex | 10b27cc0c8 |
71713997000 has 32 divisors (see below), whose sum is σ = 167810755320. Its totient is φ = 28685598400.
The previous prime is 71713996979. The next prime is 71713997053. The reversal of 71713997000 is 79931717.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 38035140676 + 33678856324 = 195026^2 + 183518^2 .
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, 35855999 + ... + 35857998.
Almost surely, 271713997000 is an apocalyptic number.
It is an amenable number.
71713997000 is an abundant number, since it is smaller than the sum of its proper divisors (96096758320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71713997000 is a wasteful number, since it uses less digits than its factorization.
71713997000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71714018 (or 71714004 counting only the distinct ones).
The product of its (nonzero) digits is 83349, while the sum is 44.
The spelling of 71713997000 in words is "seventy-one billion, seven hundred thirteen million, nine hundred ninety-seven thousand".
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