Base | Representation |
---|---|
bin | 1111100111100… |
… | …01100110110100 |
3 | 100010112011002222 |
4 | 13303301212310 |
5 | 232014404134 |
6 | 21000021512 |
7 | 3150410141 |
oct | 763614664 |
9 | 303464088 |
10 | 131013044 |
11 | 67a54048 |
12 | 37a61898 |
13 | 211b1916 |
14 | 135853c8 |
15 | b77da2e |
hex | 7cf19b4 |
131013044 has 12 divisors (see below), whose sum is σ = 229432224. Its totient is φ = 65460984.
The previous prime is 131013031. The next prime is 131013079. The reversal of 131013044 is 440310131.
It is a super-3 number, since 3×1310130443 (a number of 25 digits) contains 333 as substring.
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, 4442 + ... + 16785.
It is an arithmetic number, because the mean of its divisors is an integer number (19119352).
Almost surely, 2131013044 is an apocalyptic number.
It is an amenable number.
131013044 is a deficient number, since it is larger than the sum of its proper divisors (98419180).
131013044 is a wasteful number, since it uses less digits than its factorization.
131013044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22774 (or 22772 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 131013044 is about 11446.0929578612. The cubic root of 131013044 is about 507.8921640617.
Adding to 131013044 its reverse (440310131), we get a palindrome (571323175).
The spelling of 131013044 in words is "one hundred thirty-one million, thirteen thousand, forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •