Base | Representation |
---|---|
bin | 111101000001011001… |
… | …0100110100100100000 |
3 | 110112020122010111112201 |
4 | 1322002302212210200 |
5 | 4121334042302034 |
6 | 140111145102544 |
7 | 12316242600610 |
oct | 1720262464440 |
9 | 415218114481 |
10 | 131043322144 |
11 | 506365a2539 |
12 | 21492187a54 |
13 | c48509c707 |
14 | 64b1c92a40 |
15 | 361e751014 |
hex | 1e82ca6920 |
131043322144 has 48 divisors (see below), whose sum is σ = 294909043968. Its totient is φ = 56149696512.
The previous prime is 131043322099. The next prime is 131043322187. The reversal of 131043322144 is 441223340131.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059849 + ... + 1177015.
It is an arithmetic number, because the mean of its divisors is an integer number (6143938416).
Almost surely, 2131043322144 is an apocalyptic number.
131043322144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
131043322144 is an abundant number, since it is smaller than the sum of its proper divisors (163865721824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131043322144 is a wasteful number, since it uses less digits than its factorization.
131043322144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122177 (or 122169 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 131043322144 its reverse (441223340131), we get a palindrome (572266662275).
The spelling of 131043322144 in words is "one hundred thirty-one billion, forty-three million, three hundred twenty-two thousand, one hundred forty-four".
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