Base | Representation |
---|---|
bin | 111101000111010110… |
… | …0110110010000001110 |
3 | 110112202120010022021010 |
4 | 1322032230312100032 |
5 | 4122241220440420 |
6 | 140143043550050 |
7 | 12324220166355 |
oct | 1721654662016 |
9 | 415676108233 |
10 | 131243140110 |
11 | 50729370755 |
12 | 2152908b326 |
13 | c4b75c1bb4 |
14 | 64d062899c |
15 | 36320714e0 |
hex | 1e8eb3640e |
131243140110 has 64 divisors (see below), whose sum is σ = 333279832320. Its totient is φ = 32984340480.
The previous prime is 131243140097. The next prime is 131243140117. The reversal of 131243140110 is 11041342131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131243140117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486496 + ... + 706515.
It is an arithmetic number, because the mean of its divisors is an integer number (5207497380).
Almost surely, 2131243140110 is an apocalyptic number.
131243140110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131243140110 is an abundant number, since it is smaller than the sum of its proper divisors (202036692210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131243140110 is a wasteful number, since it uses less digits than its factorization.
131243140110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1193233.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 131243140110 its reverse (11041342131), we get a palindrome (142284482241).
The spelling of 131243140110 in words is "one hundred thirty-one billion, two hundred forty-three million, one hundred forty thousand, one hundred ten".
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