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131428315382 = 27213103161943
BaseRepresentation
bin111101001100110111…
…1001111000011110110
3110120020110120011222112
41322121233033003312
54123131122043012
6140213300531022
712331626151100
oct1723157170366
9416213504875
10131428315382
1150813948671
122157b0b0a72
13c516a88570
14650b06c570
15364344d122
hex1e99bcf0f6

131428315382 has 24 divisors (see below), whose sum is σ = 246969693936. Its totient is φ = 51993618768.

The previous prime is 131428315379. The next prime is 131428315441. The reversal of 131428315382 is 283513824131.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51579698 + ... + 51582245.

It is an arithmetic number, because the mean of its divisors is an integer number (10290403914).

Almost surely, 2131428315382 is an apocalyptic number.

131428315382 is a deficient number, since it is larger than the sum of its proper divisors (115541378554).

131428315382 is a wasteful number, since it uses less digits than its factorization.

131428315382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103161972 (or 103161965 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The spelling of 131428315382 in words is "one hundred thirty-one billion, four hundred twenty-eight million, three hundred fifteen thousand, three hundred eighty-two".

Divisors: 1 2 7 13 14 26 49 91 98 182 637 1274 103161943 206323886 722133601 1341105259 1444267202 2682210518 5054935207 9387736813 10109870414 18775473626 65714157691 131428315382