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131423853313 = 937140260249
BaseRepresentation
bin111101001100101111…
…0001101101100000001
3110120020011011111011201
41322121132031230001
54123124001301223
6140213021141201
712331543215124
oct1723136155401
9416204144151
10131423853313
1150811380205
12215796ba801
13c515b8559c
14650a62a3bb
153642d6aead
hex1e9978db01

131423853313 has 4 divisors (see below), whose sum is σ = 131564114500. Its totient is φ = 131283592128.

The previous prime is 131423853289. The next prime is 131423853329. The reversal of 131423853313 is 313358324131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80141080464 + 51282772849 = 283092^2 + 226457^2 .

It is a cyclic number.

It is not a de Polignac number, because 131423853313 - 233 = 122833918721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131423853343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70129188 + ... + 70131061.

It is an arithmetic number, because the mean of its divisors is an integer number (32891028625).

Almost surely, 2131423853313 is an apocalyptic number.

It is an amenable number.

131423853313 is a deficient number, since it is larger than the sum of its proper divisors (140261187).

131423853313 is an equidigital number, since it uses as much as digits as its factorization.

131423853313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140261186.

The product of its digits is 77760, while the sum is 37.

The spelling of 131423853313 in words is "one hundred thirty-one billion, four hundred twenty-three million, eight hundred fifty-three thousand, three hundred thirteen".

Divisors: 1 937 140260249 131423853313