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131373126345 = 3529829364303
BaseRepresentation
bin111101001011001110…
…0101101001011001001
3110120002121201021212010
41322112130231023021
54123023010020340
6140204010010133
712330356102106
oct1722634551311
9416077637763
10131373126345
115079578329a
1221564716949
13c508504326
1465039c3aad
15363d69ab80
hex1e9672d2c9

131373126345 has 32 divisors (see below), whose sum is σ = 217708070400. Its totient is φ = 67567820544.

The previous prime is 131373126317. The next prime is 131373126389. The reversal of 131373126345 is 543621373131.

It is not a de Polignac number, because 131373126345 - 26 = 131373126281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178464 + ... + 542766.

It is an arithmetic number, because the mean of its divisors is an integer number (6803377200).

Almost surely, 2131373126345 is an apocalyptic number.

131373126345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131373126345 is a deficient number, since it is larger than the sum of its proper divisors (86334944055).

131373126345 is a wasteful number, since it uses less digits than its factorization.

131373126345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365169.

The product of its digits is 136080, while the sum is 39.

Adding to 131373126345 its reverse (543621373131), we get a palindrome (674994499476).

The spelling of 131373126345 in words is "one hundred thirty-one billion, three hundred seventy-three million, one hundred twenty-six thousand, three hundred forty-five".

Divisors: 1 3 5 15 29 87 145 435 829 2487 4145 12435 24041 72123 120205 360615 364303 1092909 1821515 5464545 10564787 31694361 52823935 158471805 302007187 906021561 1510035935 4530107805 8758208423 26274625269 43791042115 131373126345