Base | Representation |
---|---|
bin | 10110100111100011… |
… | …11100100001100011 |
3 | 1011100021020100002100 |
4 | 23103301330201203 |
5 | 144332103121011 |
6 | 5324535021443 |
7 | 606625653024 |
oct | 132361744143 |
9 | 34307210070 |
10 | 12143020131 |
11 | 5171466830 |
12 | 242a80a883 |
13 | 11b698b718 |
14 | 832a0ac4b |
15 | 4b10c1d56 |
hex | 2d3c7c863 |
12143020131 has 48 divisors (see below), whose sum is σ = 20430888192. Its totient is φ = 6875668800.
The previous prime is 12143020103. The next prime is 12143020147. The reversal of 12143020131 is 13102034121.
12143020131 is a `hidden beast` number, since 1 + 2 + 1 + 430 + 201 + 31 = 666.
It is not a de Polignac number, because 12143020131 - 26 = 12143020067 is a prime.
It is a super-2 number, since 2×121430201312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12143020031) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35901 + ... + 159921.
It is an arithmetic number, because the mean of its divisors is an integer number (425643504).
Almost surely, 212143020131 is an apocalyptic number.
12143020131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12143020131 is a deficient number, since it is larger than the sum of its proper divisors (8287868061).
12143020131 is a wasteful number, since it uses less digits than its factorization.
12143020131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124104 (or 124101 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 12143020131 its reverse (13102034121), we get a palindrome (25245054252).
The spelling of 12143020131 in words is "twelve billion, one hundred forty-three million, twenty thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •