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131613424663201 = 13210947933149057
BaseRepresentation
bin11101111011001110100011…
…011011001011101010100001
3122021000010020212011022121021
4131323032203123023222201
5114222323243203210301
61143530212251525441
736502520233105345
oct3573164333135241
9567003225138537
10131613424663201
1138a32a38081898
1212917691759881
135859128848300
1424701a3799625
1510338795158a1
hex77b3a36cbaa1

131613424663201 has 24 divisors (see below), whose sum is σ = 143827766442360. Its totient is φ = 120371415330816.

The previous prime is 131613424663177. The next prime is 131613424663213. The reversal of 131613424663201 is 102366424316131.

It can be written as a sum of positive squares in 12 ways, for example, as 93846881251600 + 37766543411601 = 9687460^2 + 6145449^2 .

It is not a de Polignac number, because 131613424663201 - 27 = 131613424663073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131613424063201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 882899265 + ... + 883048321.

It is an arithmetic number, because the mean of its divisors is an integer number (5992823601765).

Almost surely, 2131613424663201 is an apocalyptic number.

It is an amenable number.

131613424663201 is a deficient number, since it is larger than the sum of its proper divisors (12214341779159).

131613424663201 is a wasteful number, since it uses less digits than its factorization.

131613424663201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197125 (or 197112 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

Adding to 131613424663201 its reverse (102366424316131), we get a palindrome (233979848979332).

The spelling of 131613424663201 in words is "one hundred thirty-one trillion, six hundred thirteen billion, four hundred twenty-four million, six hundred sixty-three thousand, two hundred one".

Divisors: 1 13 109 169 1417 18421 47933 149057 623129 1937741 5224697 8100677 16247213 25190633 67921061 211213769 882973793 2745778997 7144749181 92881739353 778777660729 1207462611589 10124109589477 131613424663201