Base | Representation |
---|---|
bin | 100001001100111100… |
… | …0111010100110001000 |
3 | 20211001002222212202222 |
4 | 1002121320322212020 |
5 | 2132011113421411 |
6 | 52431054313212 |
7 | 5102625066566 |
oct | 1023170724610 |
9 | 224032885688 |
10 | 71301310856 |
11 | 28269805196 |
12 | 1199a7b8808 |
13 | 6953c21189 |
14 | 3645798a36 |
15 | 1cc49ae4db |
hex | 1099e3a988 |
71301310856 has 32 divisors (see below), whose sum is σ = 136270589760. Its totient is φ = 34963061952.
The previous prime is 71301310853. The next prime is 71301310879. The reversal of 71301310856 is 65801310317.
It is not an unprimeable number, because it can be changed into a prime (71301310853) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992651 + ... + 1062053.
It is an arithmetic number, because the mean of its divisors is an integer number (4258455930).
Almost surely, 271301310856 is an apocalyptic number.
It is an amenable number.
71301310856 is a deficient number, since it is larger than the sum of its proper divisors (64969278904).
71301310856 is a wasteful number, since it uses less digits than its factorization.
71301310856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71885 (or 71881 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 35.
The spelling of 71301310856 in words is "seventy-one billion, three hundred one million, three hundred ten thousand, eight hundred fifty-six".
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