Base | Representation |
---|---|
bin | 1111100111111… |
… | …11001011111100 |
3 | 100010121222102010 |
4 | 13303333023330 |
5 | 232023144133 |
6 | 21001131220 |
7 | 3151031253 |
oct | 763771374 |
9 | 303558363 |
10 | 131068668 |
11 | 67a91915 |
12 | 37a89b10 |
13 | 21201033 |
14 | 1359b79a |
15 | b790263 |
hex | 7cff2fc |
131068668 has 12 divisors (see below), whose sum is σ = 305826920. Its totient is φ = 43689552.
The previous prime is 131068607. The next prime is 131068681. The reversal of 131068668 is 866860131.
It is a tau number, because it is divible by the number of its divisors (12).
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5461183 + ... + 5461206.
Almost surely, 2131068668 is an apocalyptic number.
It is an amenable number.
131068668 is an abundant number, since it is smaller than the sum of its proper divisors (174758252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131068668 is a wasteful number, since it uses less digits than its factorization.
131068668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10922396 (or 10922394 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 131068668 is about 11448.5225247627. The cubic root of 131068668 is about 507.9640322148.
The spelling of 131068668 in words is "one hundred thirty-one million, sixty-eight thousand, six hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •