Base | Representation |
---|---|
bin | 10111010100011010… |
… | …00100111001101100 |
3 | 1012022111010211111100 |
4 | 23222031010321230 |
5 | 201114410343314 |
6 | 5430134323100 |
7 | 622144464663 |
oct | 135215047154 |
9 | 35274124440 |
10 | 12519231084 |
11 | 5344863678 |
12 | 25147b9490 |
13 | 12468c1059 |
14 | 86a97bdda |
15 | 4d4136c09 |
hex | 2ea344e6c |
12519231084 has 36 divisors (see below), whose sum is σ = 32666670400. Its totient is φ = 4038461280.
The previous prime is 12519231077. The next prime is 12519231149. The reversal of 12519231084 is 48013291521.
12519231084 is a `hidden beast` number, since 1 + 251 + 92 + 310 + 8 + 4 = 666.
12519231084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×125192310842 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5607859 + ... + 5610090.
Almost surely, 212519231084 is an apocalyptic number.
It is an amenable number.
12519231084 is an abundant number, since it is smaller than the sum of its proper divisors (20147439316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12519231084 is a wasteful number, since it uses less digits than its factorization.
12519231084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11217990 (or 11217985 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The spelling of 12519231084 in words is "twelve billion, five hundred nineteen million, two hundred thirty-one thousand, eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •