Base | Representation |
---|---|
bin | 100101010111110110… |
… | …0101010101111110010 |
3 | 21200011020221210220221 |
4 | 1022233230222233302 |
5 | 2303331311233204 |
6 | 100511500523254 |
7 | 5540563244053 |
oct | 1125754525762 |
9 | 250136853827 |
10 | 80257133554 |
11 | 31045072354 |
12 | 13679b5052a |
13 | 77504a4450 |
14 | 3c54d9072a |
15 | 214ad61654 |
hex | 12afb2abf2 |
80257133554 has 32 divisors (see below), whose sum is σ = 131840061696. Its totient is φ = 36415552320.
The previous prime is 80257133543. The next prime is 80257133609. The reversal of 80257133554 is 45533175208.
It is a self number, because there is not a number n which added to its sum of digits gives 80257133554.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3297859 + ... + 3322105.
It is an arithmetic number, because the mean of its divisors is an integer number (4120001928).
Almost surely, 280257133554 is an apocalyptic number.
80257133554 is a deficient number, since it is larger than the sum of its proper divisors (51582928142).
80257133554 is a wasteful number, since it uses less digits than its factorization.
80257133554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26410.
The product of its (nonzero) digits is 504000, while the sum is 43.
The spelling of 80257133554 in words is "eighty billion, two hundred fifty-seven million, one hundred thirty-three thousand, five hundred fifty-four".
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