Base | Representation |
---|---|
bin | 11001010001111101… |
… | …11111110111011001 |
3 | 1022000220001200202012 |
4 | 30220332333313121 |
5 | 210244030130144 |
6 | 10122441515305 |
7 | 660224250365 |
oct | 145076776731 |
9 | 38026050665 |
10 | 13572505049 |
11 | 5835363a24 |
12 | 27694a2b35 |
13 | 1383b9189c |
14 | 92a7d62a5 |
15 | 54683ce9e |
hex | 328fbfdd9 |
13572505049 has 16 divisors (see below), whose sum is σ = 14389425600. Its totient is φ = 12766165056.
The previous prime is 13572505043. The next prime is 13572505103. The reversal of 13572505049 is 94050527531.
It is not a de Polignac number, because 13572505049 - 28 = 13572504793 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13572504997 and 13572505015.
It is not an unprimeable number, because it can be changed into a prime (13572505043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618742 + ... + 1627104.
It is an arithmetic number, because the mean of its divisors is an integer number (899339100).
Almost surely, 213572505049 is an apocalyptic number.
13572505049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
13572505049 is a deficient number, since it is larger than the sum of its proper divisors (816920551).
13572505049 is a wasteful number, since it uses less digits than its factorization.
13572505049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8984.
The product of its (nonzero) digits is 189000, while the sum is 41.
The spelling of 13572505049 in words is "thirteen billion, five hundred seventy-two million, five hundred five thousand, forty-nine".
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