Search a number
-
+
131332444125413 = 7331577311359357
BaseRepresentation
bin11101110111001000110111…
…101011011111100011100101
3122020000020222211201002010112
4131313020313223133203211
5114203222321144003123
61143153143015502405
736443312252665106
oct3567106753374345
9566006884632115
10131332444125413
113893485a974003
1212891135987a05
13583879a20c86b
14246074a61a3ad
15102b3d1987d78
hex777237adf8e5

131332444125413 has 8 divisors (see below), whose sum is σ = 131519964609528. Its totient is φ = 131144946393024.

The previous prime is 131332444125343. The next prime is 131332444125439. The reversal of 131332444125413 is 314521444233131.

It can be written as a sum of positive squares in 4 ways, for example, as 75683857924609 + 55648586200804 = 8699647^2 + 7459798^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131332444125413 - 220 = 131332443076837 is a prime.

It is a super-2 number, since 2×1313324441254132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332444025413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5881931 + ... + 17241287.

It is an arithmetic number, because the mean of its divisors is an integer number (16439995576191).

Almost surely, 2131332444125413 is an apocalyptic number.

It is an amenable number.

131332444125413 is a deficient number, since it is larger than the sum of its proper divisors (187520484115).

131332444125413 is a wasteful number, since it uses less digits than its factorization.

131332444125413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375863.

The product of its digits is 414720, while the sum is 41.

Adding to 131332444125413 its reverse (314521444233131), we get a palindrome (445853888358544).

The spelling of 131332444125413 in words is "one hundred thirty-one trillion, three hundred thirty-two billion, four hundred forty-four million, one hundred twenty-five thousand, four hundred thirteen".

Divisors: 1 733 15773 11359357 11561609 8326408681 179171137961 131332444125413