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131379403294 = 265689701647
BaseRepresentation
bin111101001011011010…
…0101001101000011110
3110120010001112012012201
41322112310221220132
54123031111401134
6140204352322114
712330463334206
oct1722664515036
9416101465181
10131379403294
1150799280257
122156684333a
13c5098c13b9
146504779406
15363deda914
hex1e96d29a1e

131379403294 has 4 divisors (see below), whose sum is σ = 197069104944. Its totient is φ = 65689701646.

The previous prime is 131379403283. The next prime is 131379403297. The reversal of 131379403294 is 492304973131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131379403297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32844850822 + ... + 32844850825.

It is an arithmetic number, because the mean of its divisors is an integer number (49267276236).

Almost surely, 2131379403294 is an apocalyptic number.

131379403294 is a deficient number, since it is larger than the sum of its proper divisors (65689701650).

131379403294 is an equidigital number, since it uses as much as digits as its factorization.

131379403294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65689701649.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 131379403294 in words is "one hundred thirty-one billion, three hundred seventy-nine million, four hundred three thousand, two hundred ninety-four".

Divisors: 1 2 65689701647 131379403294