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131453940692 = 2232863485173
BaseRepresentation
bin111101001101101000…
…0111111001111010100
3110120022020210002022002
41322123100333033110
54123204202100232
6140220014054432
712332360026334
oct1723320771724
9416266702262
10131453940692
1150827360308
12215877aa418
13c51c18b279
14651061d0c4
153645810b62
hex1e9b43f3d4

131453940692 has 6 divisors (see below), whose sum is σ = 230044396218. Its totient is φ = 65726970344.

The previous prime is 131453940691. The next prime is 131453940719. The reversal of 131453940692 is 296049354131.

It can be written as a sum of positive squares in only one way, i.e., 130954239376 + 499701316 = 361876^2 + 22354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131453940691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16431742583 + ... + 16431742590.

It is an arithmetic number, because the mean of its divisors is an integer number (38340732703).

Almost surely, 2131453940692 is an apocalyptic number.

It is an amenable number.

131453940692 is a deficient number, since it is larger than the sum of its proper divisors (98590455526).

131453940692 is a wasteful number, since it uses less digits than its factorization.

131453940692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32863485177 (or 32863485175 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 131453940692 in words is "one hundred thirty-one billion, four hundred fifty-three million, nine hundred forty thousand, six hundred ninety-two".

Divisors: 1 2 4 32863485173 65726970346 131453940692