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131950750077 = 3215197094003
BaseRepresentation
bin111101011100011100…
…0001010100101111101
3110121120212121121122200
41322320320022211331
54130213343000302
6140341202302113
712350601604236
oct1727070124575
9417525547580
10131950750077
1150a61838583
12216a6057939
13c59b097013
14655a5c408d
15367424881c
hex1eb8e0a97d

131950750077 has 12 divisors (see below), whose sum is σ = 191857751904. Its totient is φ = 87384601800.

The previous prime is 131950750039. The next prime is 131950750081. The reversal of 131950750077 is 770057059131.

131950750077 is a `hidden beast` number, since 13 + 19 + 50 + 7 + 500 + 77 = 666.

It is not a de Polignac number, because 131950750077 - 211 = 131950748029 is a prime.

It is a super-2 number, since 2×1319507500772 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131950750007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48545643 + ... + 48548360.

It is an arithmetic number, because the mean of its divisors is an integer number (15988145992).

Almost surely, 2131950750077 is an apocalyptic number.

It is an amenable number.

131950750077 is a deficient number, since it is larger than the sum of its proper divisors (59907001827).

131950750077 is a wasteful number, since it uses less digits than its factorization.

131950750077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97094160 (or 97094157 counting only the distinct ones).

The product of its (nonzero) digits is 231525, while the sum is 45.

The spelling of 131950750077 in words is "one hundred thirty-one billion, nine hundred fifty million, seven hundred fifty thousand, seventy-seven".

Divisors: 1 3 9 151 453 1359 97094003 291282009 873846027 14661194453 43983583359 131950750077