Base | Representation |
---|---|
bin | 11000000010100110… |
… | …11111010100110000 |
3 | 1020022111101202211112 |
4 | 30001103133110300 |
5 | 202413114210034 |
6 | 5532421132452 |
7 | 634561613645 |
oct | 140123372460 |
9 | 36274352745 |
10 | 12906788144 |
11 | 55235aaa68 |
12 | 260255a128 |
13 | 12a8c96b63 |
14 | 8a6223dcc |
15 | 50818d7ce |
hex | 3014df530 |
12906788144 has 40 divisors (see below), whose sum is σ = 27193536288. Its totient is φ = 5909621760.
The previous prime is 12906788119. The next prime is 12906788159. The reversal of 12906788144 is 44188760921.
It is a junction number, because it is equal to n+sod(n) for n = 12906788092 and 12906788101.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631172 + ... + 651299.
Almost surely, 212906788144 is an apocalyptic number.
It is an amenable number.
12906788144 is an abundant number, since it is smaller than the sum of its proper divisors (14286748144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12906788144 is a wasteful number, since it uses less digits than its factorization.
12906788144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1282533 (or 1282527 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 50.
The spelling of 12906788144 in words is "twelve billion, nine hundred six million, seven hundred eighty-eight thousand, one hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.199 sec. • engine limits •