Base | Representation |
---|---|
bin | 111101000111001001… |
… | …0100111000100000000 |
3 | 110112202002011212110122 |
4 | 1322032102213010000 |
5 | 4122232440342034 |
6 | 140142240315412 |
7 | 12324104552111 |
oct | 1721622470400 |
9 | 415662155418 |
10 | 131236262144 |
11 | 507254a3189 |
12 | 21526912b68 |
13 | c4b60543b0 |
14 | 64cd758208 |
15 | 363166362e |
hex | 1e8e4a7100 |
131236262144 has 36 divisors (see below), whose sum is σ = 282110649996. Its totient is φ = 60570580992.
The previous prime is 131236262137. The next prime is 131236262149. The reversal of 131236262144 is 441262632131.
It can be written as a sum of positive squares in 2 ways, for example, as 29419110400 + 101817151744 = 171520^2 + 319088^2 .
It is not an unprimeable number, because it can be changed into a prime (131236262149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19713659 + ... + 19720314.
Almost surely, 2131236262144 is an apocalyptic number.
It is an amenable number.
131236262144 is an abundant number, since it is smaller than the sum of its proper divisors (150874387852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131236262144 is an equidigital number, since it uses as much as digits as its factorization.
131236262144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39434002 (or 39433988 counting only the distinct ones).
The product of its digits is 41472, while the sum is 35.
Adding to 131236262144 its reverse (441262632131), we get a palindrome (572498894275).
The spelling of 131236262144 in words is "one hundred thirty-one billion, two hundred thirty-six million, two hundred sixty-two thousand, one hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •