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131938888882 = 2292274808429
BaseRepresentation
bin111101011100000101…
…0111010110010110010
3110121120001022000011011
41322320022322302302
54130202323421012
6140340100141134
712350366023423
oct1727012726262
9417501260134
10131938888882
1150a56077039
12216a20977aa
13c5987a3268
146558bb764a
1536731a41a7
hex1eb82bacb2

131938888882 has 8 divisors (see below), whose sum is σ = 204732758700. Its totient is φ = 63694635984.

The previous prime is 131938888831. The next prime is 131938888889. The reversal of 131938888882 is 288888839131.

It can be written as a sum of positive squares in 2 ways, for example, as 127549693881 + 4389195001 = 357141^2 + 66251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131938888889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137404157 + ... + 1137404272.

Almost surely, 2131938888882 is an apocalyptic number.

131938888882 is a deficient number, since it is larger than the sum of its proper divisors (72793869818).

131938888882 is a wasteful number, since it uses less digits than its factorization.

131938888882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274808460.

The product of its digits is 42467328, while the sum is 67.

The spelling of 131938888882 in words is "one hundred thirty-one billion, nine hundred thirty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-two".

Divisors: 1 2 29 58 2274808429 4549616858 65969444441 131938888882