Base | Representation |
---|---|
bin | 11000000000010001… |
… | …11100100001001010 |
3 | 1020021010121222022120 |
4 | 30000020330201022 |
5 | 202343113400142 |
6 | 5530442232110 |
7 | 634233535314 |
oct | 140010744112 |
9 | 36233558276 |
10 | 12887246922 |
11 | 55135733a0 |
12 | 25b7ab5636 |
13 | 12a4c144c4 |
14 | 8a37b87b4 |
15 | 5065cd7ec |
hex | 30023c84a |
12887246922 has 32 divisors (see below), whose sum is σ = 28134717120. Its totient is φ = 3902853120.
The previous prime is 12887246887. The next prime is 12887246971. The reversal of 12887246922 is 22964278821.
12887246922 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×128872469222 (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 (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51658 + ... + 168650.
It is an arithmetic number, because the mean of its divisors is an integer number (879209910).
Almost surely, 212887246922 is an apocalyptic number.
12887246922 is an abundant number, since it is smaller than the sum of its proper divisors (15247470198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12887246922 is a wasteful number, since it uses less digits than its factorization.
12887246922 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118678.
The product of its digits is 1548288, while the sum is 51.
The spelling of 12887246922 in words is "twelve billion, eight hundred eighty-seven million, two hundred forty-six thousand, nine hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •