Search a number
-
+
131120155402321 = 1559370122725019
BaseRepresentation
bin11101110100000011001010…
…010010010010000001010001
3122012020222001002000120122211
4131310003022102102001101
5114141233034240333241
61142511433503432121
736422055453423061
oct3564031222220121
9565228032016584
10131120155402321
113886282247a308
1212857b6a8b5641
135821767ca8c07
14245436c4413a1
151025b09760781
hex7740ca492051

131120155402321 has 8 divisors (see below), whose sum is σ = 131239717502400. Its totient is φ = 131000638762800.

The previous prime is 131120155402283. The next prime is 131120155402351. The reversal of 131120155402321 is 123204551021131.

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 131120155402321 - 27 = 131120155402193 is a prime.

It is a super-3 number, since 3×1311201554023213 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131120155402351) 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, 5592651 + ... + 17132368.

It is an arithmetic number, because the mean of its divisors is an integer number (16404964687800).

Almost surely, 2131120155402321 is an apocalyptic number.

It is an amenable number.

131120155402321 is a deficient number, since it is larger than the sum of its proper divisors (119562100079).

131120155402321 is a wasteful number, since it uses less digits than its factorization.

131120155402321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22730279.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 131120155402321 in words is "one hundred thirty-one trillion, one hundred twenty billion, one hundred fifty-five million, four hundred two thousand, three hundred twenty-one".

Divisors: 1 1559 3701 5769859 22725019 35428304621 84105295319 131120155402321