Base | Representation |
---|---|
bin | 100101010000101010… |
… | …0010001100011010001 |
3 | 21122112102221201220121 |
4 | 1022201110101203101 |
5 | 2302333024422443 |
6 | 100431521310241 |
7 | 5531603366320 |
oct | 1124124214321 |
9 | 248472851817 |
10 | 80015857873 |
11 | 30a30958366 |
12 | 13611195381 |
13 | 77124c7a83 |
14 | 3c30d060b7 |
15 | 2134aa24ed |
hex | 12a15118d1 |
80015857873 has 8 divisors (see below), whose sum is σ = 96825912192. Its totient is φ = 64550607936.
The previous prime is 80015857813. The next prime is 80015857937. The reversal of 80015857873 is 37875851008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80015857873 - 213 = 80015849681 is a prime.
It is a super-2 number, since 2×800158578732 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80015857873.
It is not an unprimeable number, because it can be changed into a prime (80015857813) 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, 336200965 + ... + 336201202.
It is an arithmetic number, because the mean of its divisors is an integer number (12103239024).
Almost surely, 280015857873 is an apocalyptic number.
It is an amenable number.
80015857873 is a deficient number, since it is larger than the sum of its proper divisors (16810054319).
80015857873 is a wasteful number, since it uses less digits than its factorization.
80015857873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 672402191.
The product of its (nonzero) digits is 1881600, while the sum is 52.
The spelling of 80015857873 in words is "eighty billion, fifteen million, eight hundred fifty-seven thousand, eight hundred seventy-three".
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