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131780927334 = 23711633269719
BaseRepresentation
bin111101010111011000…
…0010101111101100110
3110121011001001201122110
41322232300111331212
54124341404133314
6140312254341450
712343440254220
oct1725660257546
9417131051573
10131780927334
1150984997201
12216591ba886
13c571b475a4
146541c19410
1536643a0a59
hex1eaec15f66

131780927334 has 32 divisors (see below), whose sum is σ = 301240558080. Its totient is φ = 37648317312.

The previous prime is 131780927293. The next prime is 131780927389. The reversal of 131780927334 is 433729087131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353727 + ... + 623445.

It is an arithmetic number, because the mean of its divisors is an integer number (9413767440).

Almost surely, 2131780927334 is an apocalyptic number.

131780927334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131780927334 is an abundant number, since it is smaller than the sum of its proper divisors (169459630746).

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

131780927334 is a wasteful number, since it uses less digits than its factorization.

131780927334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281364.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 131780927334 in words is "one hundred thirty-one billion, seven hundred eighty million, nine hundred twenty-seven thousand, three hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 11633 23266 34899 69798 81431 162862 244293 269719 488586 539438 809157 1618314 1888033 3776066 5664099 11328198 3137641127 6275282254 9412923381 18825846762 21963487889 43926975778 65890463667 131780927334