Base | Representation |
---|---|
bin | 100101100000100101… |
… | …0101101000011101111 |
3 | 21200220200110010222001 |
4 | 1023001022231003233 |
5 | 2304431324020030 |
6 | 101000530433131 |
7 | 5551052400406 |
oct | 1130112550357 |
9 | 250820403861 |
10 | 80550220015 |
11 | 31185554571 |
12 | 137401327a7 |
13 | 77991214a5 |
14 | 3c81c8463d |
15 | 2166956cca |
hex | 12c12ad0ef |
80550220015 has 8 divisors (see below), whose sum is σ = 96663089520. Its totient is φ = 64438292352.
The previous prime is 80550220007. The next prime is 80550220061. The reversal of 80550220015 is 51002205508.
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 80550220015 - 23 = 80550220007 is a prime.
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, 31194 + ... + 402583.
It is an arithmetic number, because the mean of its divisors is an integer number (12082886190).
Almost surely, 280550220015 is an apocalyptic number.
80550220015 is a deficient number, since it is larger than the sum of its proper divisors (16112869505).
80550220015 is a wasteful number, since it uses less digits than its factorization.
80550220015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 470921.
The product of its (nonzero) digits is 4000, while the sum is 28.
The spelling of 80550220015 in words is "eighty billion, five hundred fifty million, two hundred twenty thousand, fifteen".
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