Base | Representation |
---|---|
bin | 11000101111001100… |
… | …00010001010100000 |
3 | 1021021120001220120200 |
4 | 30113212002022200 |
5 | 204144332420232 |
6 | 10033500305200 |
7 | 650052332325 |
oct | 142746021240 |
9 | 37246056520 |
10 | 13280748192 |
11 | 56a56aa758 |
12 | 26a7842200 |
13 | 13385bbaaa |
14 | 8ddb6ab4c |
15 | 52ae0b77c |
hex | 3179822a0 |
13280748192 has 72 divisors (see below), whose sum is σ = 38985448320. Its totient is φ = 4284109440.
The previous prime is 13280748181. The next prime is 13280748227. The reversal of 13280748192 is 29184708231.
It is a happy number.
13280748192 is a `hidden beast` number, since 1 + 3 + 2 + 80 + 7 + 481 + 92 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a super-2 number, since 2×132807481922 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 734842 + ... + 752697.
It is an arithmetic number, because the mean of its divisors is an integer number (541464560).
Almost surely, 213280748192 is an apocalyptic number.
13280748192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13280748192 is an abundant number, since it is smaller than the sum of its proper divisors (25704700128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13280748192 is a wasteful number, since it uses less digits than its factorization.
13280748192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1487586 (or 1487575 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The spelling of 13280748192 in words is "thirteen billion, two hundred eighty million, seven hundred forty-eight thousand, one hundred ninety-two".
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