Base | Representation |
---|---|
bin | 100101010111101000… |
… | …0000110110011011001 |
3 | 21200010201212102100010 |
4 | 1022233100012303121 |
5 | 2303322402140142 |
6 | 100511032232133 |
7 | 5540442511242 |
oct | 1125720066331 |
9 | 250121772303 |
10 | 80249646297 |
11 | 31040919037 |
12 | 1367753b649 |
13 | 774ba82512 |
14 | 3c53da1cc9 |
15 | 214a382e9c |
hex | 12af406cd9 |
80249646297 has 16 divisors (see below), whose sum is σ = 107143464960. Its totient is φ = 53427842832.
The previous prime is 80249646251. The next prime is 80249646313. The reversal of 80249646297 is 79264694208.
It is not a de Polignac number, because 80249646297 - 26 = 80249646233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80249646097) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10978918 + ... + 10986224.
It is an arithmetic number, because the mean of its divisors is an integer number (6696466560).
Almost surely, 280249646297 is an apocalyptic number.
It is an amenable number.
80249646297 is a deficient number, since it is larger than the sum of its proper divisors (26893818663).
80249646297 is a wasteful number, since it uses less digits than its factorization.
80249646297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11732.
The product of its (nonzero) digits is 10450944, while the sum is 57.
The spelling of 80249646297 in words is "eighty billion, two hundred forty-nine million, six hundred forty-six thousand, two hundred ninety-seven".
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