Base | Representation |
---|---|
bin | 111101010011110011… |
… | …0010111100010010110 |
3 | 110120211200011021110022 |
4 | 1322213212113202112 |
5 | 4124120140344310 |
6 | 140252325225142 |
7 | 12340451642165 |
oct | 1724746274226 |
9 | 416750137408 |
10 | 131660871830 |
11 | 50923147784 |
12 | 21624b621b2 |
13 | c553001327 |
14 | 652dcc73dc |
15 | 3658a88a55 |
hex | 1ea7997896 |
131660871830 has 32 divisors (see below), whose sum is σ = 250993209600. Its totient is φ = 49586440032.
The previous prime is 131660871787. The next prime is 131660871833. The reversal of 131660871830 is 38178066131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131660871833) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094650 + ... + 2156589.
It is an arithmetic number, because the mean of its divisors is an integer number (7843537800).
Almost surely, 2131660871830 is an apocalyptic number.
131660871830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131660871830 is a deficient number, since it is larger than the sum of its proper divisors (119332337770).
131660871830 is a wasteful number, since it uses less digits than its factorization.
131660871830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4251428.
The product of its (nonzero) digits is 145152, while the sum is 44.
The spelling of 131660871830 in words is "one hundred thirty-one billion, six hundred sixty million, eight hundred seventy-one thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •