Base | Representation |
---|---|
bin | 1111100111100… |
… | …01010111001100 |
3 | 100010112002201221 |
4 | 13303301113030 |
5 | 232014341134 |
6 | 21000013124 |
7 | 3150404212 |
oct | 763612714 |
9 | 303462657 |
10 | 131012044 |
11 | 67a53319 |
12 | 37a611a4 |
13 | 211b1327 |
14 | 13584cb2 |
15 | b77d5b4 |
hex | 7cf15cc |
131012044 has 12 divisors (see below), whose sum is σ = 229872384. Its totient is φ = 65334224.
The previous prime is 131012041. The next prime is 131012093. The reversal of 131012044 is 440210131.
It is a super-3 number, since 3×1310120443 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (131012041) 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, 41227 + ... + 44290.
It is an arithmetic number, because the mean of its divisors is an integer number (19156032).
Almost surely, 2131012044 is an apocalyptic number.
It is an amenable number.
131012044 is a deficient number, since it is larger than the sum of its proper divisors (98860340).
131012044 is a wasteful number, since it uses less digits than its factorization.
131012044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85904 (or 85902 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 131012044 is about 11446.0492747498. The cubic root of 131012044 is about 507.8908718406.
Adding to 131012044 its reverse (440210131), we get a palindrome (571222175).
The spelling of 131012044 in words is "one hundred thirty-one million, twelve thousand, forty-four".
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