Base | Representation |
---|---|
bin | 10111111110110010… |
… | …01011110000100110 |
3 | 1020020021001212102221 |
4 | 23333121023300212 |
5 | 202331412221223 |
6 | 5525314022554 |
7 | 634022240410 |
oct | 137731136046 |
9 | 36207055387 |
10 | 12874726438 |
11 | 55074a1592 |
12 | 25b3877a5a |
13 | 12a244c632 |
14 | 8a1c799b0 |
15 | 505458b5d |
hex | 2ff64bc26 |
12874726438 has 32 divisors (see below), whose sum is σ = 22881761280. Its totient is φ = 5318283840.
The previous prime is 12874726391. The next prime is 12874726493. The reversal of 12874726438 is 83462747821.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87478 + ... + 182761.
It is an arithmetic number, because the mean of its divisors is an integer number (715055040).
Almost surely, 212874726438 is an apocalyptic number.
12874726438 is a deficient number, since it is larger than the sum of its proper divisors (10007034842).
12874726438 is a wasteful number, since it uses less digits than its factorization.
12874726438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270372.
The product of its digits is 3612672, while the sum is 52.
The spelling of 12874726438 in words is "twelve billion, eight hundred seventy-four million, seven hundred twenty-six thousand, four hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •