Base | Representation |
---|---|
bin | 11001010011000101… |
… | …01010000110110011 |
3 | 1022001112122121212120 |
4 | 30221202222012303 |
5 | 210303423244412 |
6 | 10123414125323 |
7 | 660366563244 |
oct | 145142520663 |
9 | 38045577776 |
10 | 13581853107 |
11 | 583a669299 |
12 | 2770650843 |
13 | 1385ab5794 |
14 | 92bb4accb |
15 | 547587b8c |
hex | 3298aa1b3 |
13581853107 has 24 divisors (see below), whose sum is σ = 19044881856. Its totient is φ = 8604858528.
The previous prime is 13581853091. The next prime is 13581853111. The reversal of 13581853107 is 70135818531.
It is not a de Polignac number, because 13581853107 - 24 = 13581853091 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13581853177) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138148 + ... + 215054.
It is an arithmetic number, because the mean of its divisors is an integer number (793536744).
Almost surely, 213581853107 is an apocalyptic number.
13581853107 is a deficient number, since it is larger than the sum of its proper divisors (5463028749).
13581853107 is an equidigital number, since it uses as much as digits as its factorization.
13581853107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77027 (or 76990 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 42.
The spelling of 13581853107 in words is "thirteen billion, five hundred eighty-one million, eight hundred fifty-three thousand, one hundred seven".
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