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131940089443 = 1131167611411
BaseRepresentation
bin111101011100000111…
…1011111111001100011
3110121120010120000000101
41322320033133321203
54130203130330233
6140340142003231
712350412153541
oct1727017377143
9417503500011
10131940089443
1150a56817038
12216a2576517
13c598b03856
14655900ad91
15367333ec7d
hex1eb83dfe63

131940089443 has 4 divisors (see below), whose sum is σ = 133107700968. Its totient is φ = 130772477920.

The previous prime is 131940089441. The next prime is 131940089471. The reversal of 131940089443 is 344980049131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344980049131 = 400386180377.

It is a cyclic number.

It is not a de Polignac number, because 131940089443 - 21 = 131940089441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131940089393 and 131940089402.

It is not an unprimeable number, because it can be changed into a prime (131940089441) 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, 583805593 + ... + 583805818.

It is an arithmetic number, because the mean of its divisors is an integer number (33276925242).

Almost surely, 2131940089443 is an apocalyptic number.

131940089443 is a deficient number, since it is larger than the sum of its proper divisors (1167611525).

131940089443 is a wasteful number, since it uses less digits than its factorization.

131940089443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167611524.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 131940089443 in words is "one hundred thirty-one billion, nine hundred forty million, eighty-nine thousand, four hundred forty-three".

Divisors: 1 113 1167611411 131940089443