Base | Representation |
---|---|
bin | 100101101010111000… |
… | …0110001111110001101 |
3 | 21201210202121200102021 |
4 | 1023111300301332031 |
5 | 2311133302332213 |
6 | 101055112330141 |
7 | 5562446331532 |
oct | 1132560617615 |
9 | 251722550367 |
10 | 80895745933 |
11 | 313425a3282 |
12 | 138179a3951 |
13 | 782289c0b2 |
14 | 3cb5b08d89 |
15 | 2186e59d8d |
hex | 12d5c31f8d |
80895745933 has 2 divisors, whose sum is σ = 80895745934. Its totient is φ = 80895745932.
The previous prime is 80895745927. The next prime is 80895745951. The reversal of 80895745933 is 33954759808.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 44739864324 + 36155881609 = 211518^2 + 190147^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80895745933 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80895745993) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40447872966 + 40447872967.
It is an arithmetic number, because the mean of its divisors is an integer number (40447872967).
Almost surely, 280895745933 is an apocalyptic number.
It is an amenable number.
80895745933 is a deficient number, since it is larger than the sum of its proper divisors (1).
80895745933 is an equidigital number, since it uses as much as digits as its factorization.
80895745933 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32659200, while the sum is 61.
The spelling of 80895745933 in words is "eighty billion, eight hundred ninety-five million, seven hundred forty-five thousand, nine hundred thirty-three".
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