Base | Representation |
---|---|
bin | 11000101101111010… |
… | …11111000001011010 |
3 | 1021020211001212101000 |
4 | 30112331133001122 |
5 | 204134122242430 |
6 | 10032440405430 |
7 | 646563101046 |
oct | 142675370132 |
9 | 37224055330 |
10 | 13270118490 |
11 | 569a6aa482 |
12 | 26a4176876 |
13 | 1336339725 |
14 | 8dc5a1026 |
15 | 52a00be60 |
hex | 316f5f05a |
13270118490 has 64 divisors (see below), whose sum is σ = 35915195520. Its totient is φ = 3485877120.
The previous prime is 13270118473. The next prime is 13270118513. The reversal of 13270118490 is 9481107231.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348691 + ... + 384870.
It is an arithmetic number, because the mean of its divisors is an integer number (561174930).
Almost surely, 213270118490 is an apocalyptic number.
13270118490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13270118490 is an abundant number, since it is smaller than the sum of its proper divisors (22645077030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13270118490 is a wasteful number, since it uses less digits than its factorization.
13270118490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 733644 (or 733638 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The spelling of 13270118490 in words is "thirteen billion, two hundred seventy million, one hundred eighteen thousand, four hundred ninety".
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