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15231135113 = 739142914423
BaseRepresentation
bin11100010111101100…
…01010110110001001
31110022111001211110022
432023312022312021
5222143132310423
610555212030225
71046304340505
oct161366126611
943274054408
1015231135113
116506640277
122b50a62375
1315896b4bac
14a46bcd305
155e226ddc8
hex38bd8ad89

15231135113 has 8 divisors (see below), whose sum is σ = 15263476800. Its totient is φ = 15198826608.

The previous prime is 15231135077. The next prime is 15231135119. The reversal of 15231135113 is 31153113251.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15231135113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15231135119) 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, 1048820 + ... + 1063242.

It is an arithmetic number, because the mean of its divisors is an integer number (1907934600).

Almost surely, 215231135113 is an apocalyptic number.

It is an amenable number.

15231135113 is a deficient number, since it is larger than the sum of its proper divisors (32341687).

15231135113 is a wasteful number, since it uses less digits than its factorization.

15231135113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16591.

The product of its digits is 1350, while the sum is 26.

Adding to 15231135113 its reverse (31153113251), we get a palindrome (46384248364).

The spelling of 15231135113 in words is "fifteen billion, two hundred thirty-one million, one hundred thirty-five thousand, one hundred thirteen".

Divisors: 1 739 1429 14423 1056031 10658597 20610467 15231135113