Base | Representation |
---|---|
bin | 11000011001111101… |
… | …10010111111101100 |
3 | 1020211011000122001100 |
4 | 30030332302333230 |
5 | 203313242042114 |
6 | 10004100043100 |
7 | 642461013135 |
oct | 141476627754 |
9 | 36734018040 |
10 | 13102690284 |
11 | 5614144162 |
12 | 2658093490 |
13 | 130a747b98 |
14 | 8c425ac8c |
15 | 51a488909 |
hex | 30cfb2fec |
13102690284 has 36 divisors (see below), whose sum is σ = 33574404136. Its totient is φ = 4307732928.
The previous prime is 13102690283. The next prime is 13102690309. The reversal of 13102690284 is 48209620131.
13102690284 is a `hidden beast` number, since 1 + 310 + 2 + 69 + 0 + 284 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (13102690283) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2490274 + ... + 2495529.
Almost surely, 213102690284 is an apocalyptic number.
It is an amenable number.
13102690284 is an abundant number, since it is smaller than the sum of its proper divisors (20471713852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13102690284 is a wasteful number, since it uses less digits than its factorization.
13102690284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4985886 (or 4985881 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The spelling of 13102690284 in words is "thirteen billion, one hundred two million, six hundred ninety thousand, two hundred eighty-four".
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