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131989719106 = 279427837079
BaseRepresentation
bin111101011101100110…
…0110100100001000010
3110121200120221110010001
41322323030310201002
54130303332002411
6140345113430214
712351554046460
oct1727314644102
9417616843101
10131989719106
1150a81834593
12216b710b36a
13c5a618c50b
146561849830
153677894dc1
hex1ebb334842

131989719106 has 8 divisors (see below), whose sum is σ = 226268089920. Its totient is φ = 56567022468.

The previous prime is 131989719083. The next prime is 131989719149. The reversal of 131989719106 is 601917989131.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4713918526 + ... + 4713918553.

It is an arithmetic number, because the mean of its divisors is an integer number (28283511240).

Almost surely, 2131989719106 is an apocalyptic number.

131989719106 is a deficient number, since it is larger than the sum of its proper divisors (94278370814).

131989719106 is an equidigital number, since it uses as much as digits as its factorization.

131989719106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9427837088.

The product of its (nonzero) digits is 734832, while the sum is 55.

The spelling of 131989719106 in words is "one hundred thirty-one billion, nine hundred eighty-nine million, seven hundred nineteen thousand, one hundred six".

Divisors: 1 2 7 14 9427837079 18855674158 65994859553 131989719106