Base | Representation |
---|---|
bin | 100101100111001000… |
… | …0111010010100010000 |
3 | 21201110222220122012101 |
4 | 1023032100322110100 |
5 | 2310404101412432 |
6 | 101034420210144 |
7 | 5556361153453 |
oct | 1131620722420 |
9 | 251428818171 |
10 | 80769950992 |
11 | 31288593715 |
12 | 137a1839954 |
13 | 78027c6613 |
14 | 3ca312149a |
15 | 217adac4e7 |
hex | 12ce43a510 |
80769950992 has 20 divisors (see below), whose sum is σ = 157542065100. Its totient is φ = 40113934208.
The previous prime is 80769950983. The next prime is 80769951001. The reversal of 80769950992 is 29905996708.
It is an interprime number because it is at equal distance from previous prime (80769950983) and next prime (80769951001).
It can be written as a sum of positive squares in 2 ways, for example, as 32089706496 + 48680244496 = 179136^2 + 220636^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16937623 + ... + 16942390.
It is an arithmetic number, because the mean of its divisors is an integer number (7877103255).
Almost surely, 280769950992 is an apocalyptic number.
It is an amenable number.
80769950992 is a deficient number, since it is larger than the sum of its proper divisors (76772114108).
80769950992 is a wasteful number, since it uses less digits than its factorization.
80769950992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33880170 (or 33880164 counting only the distinct ones).
The product of its (nonzero) digits is 22044960, while the sum is 64.
The spelling of 80769950992 in words is "eighty billion, seven hundred sixty-nine million, nine hundred fifty thousand, nine hundred ninety-two".
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