Base | Representation |
---|---|
bin | 100101101010111111… |
… | …0101101111110111011 |
3 | 21201211000111022022200 |
4 | 1023111332231332323 |
5 | 2311140221241421 |
6 | 101055322521243 |
7 | 5562522356622 |
oct | 1132576557673 |
9 | 251730438280 |
10 | 80899399611 |
11 | 31344669348 |
12 | 13819066223 |
13 | 782357b134 |
14 | 3cb63ba6b9 |
15 | 218742c726 |
hex | 12d5fadfbb |
80899399611 has 12 divisors (see below), whose sum is σ = 116857647192. Its totient is φ = 53931567456.
The previous prime is 80899399547. The next prime is 80899399627. The reversal of 80899399611 is 11699399808.
80899399611 is a `hidden beast` number, since 8 + 0 + 8 + 9 + 9 + 3 + 9 + 9 + 611 = 666.
It is not a de Polignac number, because 80899399611 - 26 = 80899399547 is a prime.
It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (80899399631) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369340 + ... + 546086.
It is an arithmetic number, because the mean of its divisors is an integer number (9738137266).
Almost surely, 280899399611 is an apocalyptic number.
80899399611 is a deficient number, since it is larger than the sum of its proper divisors (35958247581).
80899399611 is a wasteful number, since it uses less digits than its factorization.
80899399611 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227610 (or 227607 counting only the distinct ones).
The product of its (nonzero) digits is 7558272, while the sum is 63.
The spelling of 80899399611 in words is "eighty billion, eight hundred ninety-nine million, three hundred ninety-nine thousand, six hundred eleven".
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