Base | Representation |
---|---|
bin | 111101000011011110… |
… | …0111001100010100000 |
3 | 110112102111111010010012 |
4 | 1322012330321202200 |
5 | 4122004430131034 |
6 | 140122121224052 |
7 | 12321051134513 |
oct | 1720674714240 |
9 | 415374433105 |
10 | 131113130144 |
11 | 50671a422a7 |
12 | 214b1632028 |
13 | c4966a1a19 |
14 | 64bb264d7a |
15 | 362593ecce |
hex | 1e86f398a0 |
131113130144 has 48 divisors (see below), whose sum is σ = 265156883208. Its totient is φ = 63772388352.
The previous prime is 131113130119. The next prime is 131113130147. The reversal of 131113130144 is 441031311131.
It can be written as a sum of positive squares in 4 ways, for example, as 124194217744 + 6918912400 = 352412^2 + 83180^2 .
It is not an unprimeable number, because it can be changed into a prime (131113130147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10143974 + ... + 10156890.
Almost surely, 2131113130144 is an apocalyptic number.
It is an amenable number.
131113130144 is an abundant number, since it is smaller than the sum of its proper divisors (134043753064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131113130144 is a wasteful number, since it uses less digits than its factorization.
131113130144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21537 (or 21529 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 131113130144 its reverse (441031311131), we get a palindrome (572144441275).
The spelling of 131113130144 in words is "one hundred thirty-one billion, one hundred thirteen million, one hundred thirty thousand, one hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •