Base | Representation |
---|---|
bin | 110010110001101010… |
… | …110101101110000111 |
3 | 12012201121202112100111 |
4 | 302301222311232013 |
5 | 1343124210423441 |
6 | 41014001253451 |
7 | 3640031536462 |
oct | 626152655607 |
9 | 165647675314 |
10 | 54520404871 |
11 | 21138390149 |
12 | a696934287 |
13 | 51ab43bcca |
14 | 28d2c2c2d9 |
15 | 1641664081 |
hex | cb1ab5b87 |
54520404871 has 2 divisors, whose sum is σ = 54520404872. Its totient is φ = 54520404870.
The previous prime is 54520404859. The next prime is 54520404919. The reversal of 54520404871 is 17840402545.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 54520404871 - 25 = 54520404839 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54520404371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27260202435 + 27260202436.
It is an arithmetic number, because the mean of its divisors is an integer number (27260202436).
Almost surely, 254520404871 is an apocalyptic number.
54520404871 is a deficient number, since it is larger than the sum of its proper divisors (1).
54520404871 is an equidigital number, since it uses as much as digits as its factorization.
54520404871 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 179200, while the sum is 40.
The spelling of 54520404871 in words is "fifty-four billion, five hundred twenty million, four hundred four thousand, eight hundred seventy-one".
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