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131449080674 = 2731795029811
BaseRepresentation
bin111101001101011111…
…0011100101101100010
3110120021220122011121102
41322122332130231202
54123201431040144
6140215321554402
712332300515232
oct1723276345542
9416256564542
10131449080674
115082464096a
1221586045a02
13c51b179112
14650db15cc2
1536451a0b4e
hex1e9af9cb62

131449080674 has 16 divisors (see below), whose sum is σ = 200991287520. Its totient is φ = 64462044960.

The previous prime is 131449080661. The next prime is 131449080677. The reversal of 131449080674 is 476080944131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131449080677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488772 + ... + 2541039.

It is an arithmetic number, because the mean of its divisors is an integer number (12561955470).

Almost surely, 2131449080674 is an apocalyptic number.

131449080674 is a deficient number, since it is larger than the sum of its proper divisors (69542206846).

131449080674 is a wasteful number, since it uses less digits than its factorization.

131449080674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030065.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 131449080674 in words is "one hundred thirty-one billion, four hundred forty-nine million, eighty thousand, six hundred seventy-four".

Divisors: 1 2 73 146 179 358 13067 26134 5029811 10059622 367176203 734352406 900336169 1800672338 65724540337 131449080674