Base | Representation |
---|---|
bin | 111101001101010101… |
… | …1111100101110001110 |
3 | 110120021120111210011212 |
4 | 1322122223330232032 |
5 | 4123144210343204 |
6 | 140215030014422 |
7 | 12332211346343 |
oct | 1723253745616 |
9 | 416246453155 |
10 | 131444231054 |
11 | 50821929314 |
12 | 215844a7412 |
13 | c51a16b916 |
14 | 650d2127ca |
15 | 3644a43c6e |
hex | 1e9aafcb8e |
131444231054 has 32 divisors (see below), whose sum is σ = 201303360000. Its totient is φ = 64357675200.
The previous prime is 131444230997. The next prime is 131444231071. The reversal of 131444231054 is 450132444131.
It is a self number, because there is not a number n which added to its sum of digits gives 131444231054.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32445329 + ... + 32449379.
It is an arithmetic number, because the mean of its divisors is an integer number (6290730000).
Almost surely, 2131444231054 is an apocalyptic number.
131444231054 is a deficient number, since it is larger than the sum of its proper divisors (69859128946).
131444231054 is a wasteful number, since it uses less digits than its factorization.
131444231054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5768.
The product of its (nonzero) digits is 23040, while the sum is 32.
Adding to 131444231054 its reverse (450132444131), we get a palindrome (581576675185).
The spelling of 131444231054 in words is "one hundred thirty-one billion, four hundred forty-four million, two hundred thirty-one thousand, fifty-four".
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