Base | Representation |
---|---|
bin | 100101100000101110… |
… | …1001000010100111001 |
3 | 21200221000112112212101 |
4 | 1023001131020110321 |
5 | 2304434043102142 |
6 | 101001222143401 |
7 | 5551141426021 |
oct | 1130135102471 |
9 | 250830475771 |
10 | 80555050297 |
11 | 31188253637 |
12 | 13741881b61 |
13 | 779a122c47 |
14 | 3c82780a81 |
15 | 21670ad0b7 |
hex | 12c1748539 |
80555050297 has 2 divisors, whose sum is σ = 80555050298. Its totient is φ = 80555050296.
The previous prime is 80555050271. The next prime is 80555050333. The reversal of 80555050297 is 79205055508.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 80283822336 + 271227961 = 283344^2 + 16469^2 .
It is a cyclic number.
It is not a de Polignac number, because 80555050297 - 219 = 80554526009 is a prime.
It is a super-2 number, since 2×805550502972 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (80555050097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40277525148 + 40277525149.
It is an arithmetic number, because the mean of its divisors is an integer number (40277525149).
Almost surely, 280555050297 is an apocalyptic number.
It is an amenable number.
80555050297 is a deficient number, since it is larger than the sum of its proper divisors (1).
80555050297 is an equidigital number, since it uses as much as digits as its factorization.
80555050297 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 630000, while the sum is 46.
The spelling of 80555050297 in words is "eighty billion, five hundred fifty-five million, fifty thousand, two hundred ninety-seven".
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