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131299365119 = 13191975926903
BaseRepresentation
bin111101001001000001…
…1010101000011111111
3110112220110220211110212
41322102003111003333
54122400114140434
6140152413023035
712325502121566
oct1722203250377
9415813824425
10131299365119
11507580833aa
1221543a84a7b
13c4c6149830
1464d7ca2bdd
153636e7a8ce
hex1e920d50ff

131299365119 has 16 divisors (see below), whose sum is σ = 148854451200. Its totient is φ = 114810418656.

The previous prime is 131299365107. The next prime is 131299365269. The reversal of 131299365119 is 911563992131.

It is a cyclic number.

It is not a de Polignac number, because 131299365119 - 24 = 131299365103 is a prime.

It is a super-2 number, since 2×1312993651192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131299365419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4867022 + ... + 4893924.

It is an arithmetic number, because the mean of its divisors is an integer number (9303403200).

Almost surely, 2131299365119 is an apocalyptic number.

131299365119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

131299365119 is a deficient number, since it is larger than the sum of its proper divisors (17555086081).

131299365119 is a wasteful number, since it uses less digits than its factorization.

131299365119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46694.

The product of its digits is 393660, while the sum is 50.

The spelling of 131299365119 in words is "one hundred thirty-one billion, two hundred ninety-nine million, three hundred sixty-five thousand, one hundred nineteen".

Divisors: 1 13 19 247 19759 26903 256867 349739 375421 511157 4880473 6645041 531576377 6910492901 10099951163 131299365119