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131356226694 = 23711284320837
BaseRepresentation
bin111101001010101110…
…0001111010010000110
3110120001102220200220010
41322111130033102012
54123004143223234
6140202203451050
712330062335020
oct1722534172206
9416042820803
10131356226694
1150787190340
122155ab26a86
13c504b68134
146501665010
15363be5d6e9
hex1e9570f486

131356226694 has 32 divisors (see below), whose sum is σ = 327537605376. Its totient is φ = 34118500320.

The previous prime is 131356226689. The next prime is 131356226719. The reversal of 131356226694 is 496622653131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142159957 + ... + 142160880.

It is an arithmetic number, because the mean of its divisors is an integer number (10235550168).

Almost surely, 2131356226694 is an apocalyptic number.

131356226694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131356226694 is an abundant number, since it is smaller than the sum of its proper divisors (196181378682).

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

131356226694 is a wasteful number, since it uses less digits than its factorization.

131356226694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284320860.

The product of its digits is 1399680, while the sum is 48.

The spelling of 131356226694 in words is "one hundred thirty-one billion, three hundred fifty-six million, two hundred twenty-six thousand, six hundred ninety-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 284320837 568641674 852962511 1705925022 1990245859 3127529207 3980491718 5970737577 6255058414 9382587621 11941475154 18765175242 21892704449 43785408898 65678113347 131356226694