Base | Representation |
---|---|
bin | 11000010011101101… |
… | …11011110111111111 |
3 | 1020200111102211011000 |
4 | 30021312323313333 |
5 | 203211334012410 |
6 | 5554545101343 |
7 | 641253462420 |
oct | 141166736777 |
9 | 36614384130 |
10 | 13050297855 |
11 | 5597609a31 |
12 | 2642627853 |
13 | 12cc93284a |
14 | 8bb2dd647 |
15 | 515a89dc0 |
hex | 309dbbdff |
13050297855 has 128 divisors (see below), whose sum is σ = 27425433600. Its totient is φ = 5764442112.
The previous prime is 13050297853. The next prime is 13050297889. The reversal of 13050297855 is 55879205031.
13050297855 is a `hidden beast` number, since 1 + 3 + 0 + 502 + 97 + 8 + 55 = 666.
It is not a de Polignac number, because 13050297855 - 21 = 13050297853 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 13050297855.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13050297853) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3353751 + ... + 3357639.
It is an arithmetic number, because the mean of its divisors is an integer number (214261200).
Almost surely, 213050297855 is an apocalyptic number.
13050297855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13050297855 is an abundant number, since it is smaller than the sum of its proper divisors (14375135745).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13050297855 is a wasteful number, since it uses less digits than its factorization.
13050297855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4030 (or 4024 counting only the distinct ones).
The product of its (nonzero) digits is 378000, while the sum is 45.
The spelling of 13050297855 in words is "thirteen billion, fifty million, two hundred ninety-seven thousand, eight hundred fifty-five".
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