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131075775384 = 23331191751039
BaseRepresentation
bin111101000010010111…
…0011001101110011000
3110112022220012022000120
41322010232121232120
54121420344303014
6140114304433240
712320115464511
oct1720456315630
9415286168016
10131075775384
11506529490a4
12214a1018820
13c48ba23208
1464b62dda08
153622511ba9
hex1e84b99b98

131075775384 has 32 divisors (see below), whose sum is σ = 327794688000. Its totient is φ = 43677891872.

The previous prime is 131075775379. The next prime is 131075775407. The reversal of 131075775384 is 483577570131.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 800664 + ... + 950375.

It is an arithmetic number, because the mean of its divisors is an integer number (10243584000).

Almost surely, 2131075775384 is an apocalyptic number.

It is an amenable number.

131075775384 is an abundant number, since it is smaller than the sum of its proper divisors (196718912616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131075775384 is a wasteful number, since it uses less digits than its factorization.

131075775384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754167 (or 1754163 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 131075775384 in words is "one hundred thirty-one billion, seventy-five million, seven hundred seventy-five thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 3119 6238 9357 12476 18714 24952 37428 74856 1751039 3502078 5253117 7004156 10506234 14008312 21012468 42024936 5461490641 10922981282 16384471923 21845962564 32768943846 43691925128 65537887692 131075775384