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131942861476 = 22291137438461
BaseRepresentation
bin111101011100001101…
…0000100101010100100
3110121120022202211112021
41322320122010222210
54130204333031401
6140340321232524
712350444550346
oct1727032045244
9417508684467
10131942861476
1150a5833a778
12216a3492744
13c5995644ca
14655952d296
1536736db2a1
hex1eb8684aa4

131942861476 has 12 divisors (see below), whose sum is σ = 238862077020. Its totient is φ = 63696553760.

The previous prime is 131942861467. The next prime is 131942861483. The reversal of 131942861476 is 674168249131.

It can be written as a sum of positive squares in 2 ways, for example, as 68055243876 + 63887617600 = 260874^2 + 252760^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568719115 + ... + 568719346.

It is an arithmetic number, because the mean of its divisors is an integer number (19905173085).

Almost surely, 2131942861476 is an apocalyptic number.

It is an amenable number.

131942861476 is a deficient number, since it is larger than the sum of its proper divisors (106919215544).

131942861476 is a wasteful number, since it uses less digits than its factorization.

131942861476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137438494 (or 1137438492 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The spelling of 131942861476 in words is "one hundred thirty-one billion, nine hundred forty-two million, eight hundred sixty-one thousand, four hundred seventy-six".

Divisors: 1 2 4 29 58 116 1137438461 2274876922 4549753844 32985715369 65971430738 131942861476