Base | Representation |
---|---|
bin | 100101100000101110… |
… | …1001010100101100001 |
3 | 21200221000120000120012 |
4 | 1023001131022211201 |
5 | 2304434043401203 |
6 | 101001222254305 |
7 | 5551141465013 |
oct | 1130135124541 |
9 | 250830500505 |
10 | 80555059553 |
11 | 3118825a591 |
12 | 13741887395 |
13 | 779a127217 |
14 | 3c827841b3 |
15 | 21670b0bd8 |
hex | 12c174a961 |
80555059553 has 2 divisors, whose sum is σ = 80555059554. Its totient is φ = 80555059552.
The previous prime is 80555059549. The next prime is 80555059609. The reversal of 80555059553 is 35595055508.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 75915678784 + 4639380769 = 275528^2 + 68113^2 .
It is a cyclic number.
It is not a de Polignac number, because 80555059553 - 22 = 80555059549 is a prime.
It is not a weakly prime, because it can be changed into another prime (80555959553) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40277529776 + 40277529777.
It is an arithmetic number, because the mean of its divisors is an integer number (40277529777).
Almost surely, 280555059553 is an apocalyptic number.
It is an amenable number.
80555059553 is a deficient number, since it is larger than the sum of its proper divisors (1).
80555059553 is an equidigital number, since it uses as much as digits as its factorization.
80555059553 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3375000, while the sum is 50.
The spelling of 80555059553 in words is "eighty billion, five hundred fifty-five million, fifty-nine thousand, five hundred fifty-three".
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