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113111013 = 3172217863
BaseRepresentation
bin1101011110111…
…10111111100101
321212211122010210
412233132333211
5212424023023
615120210033
72542266501
oct657367745
9255748123
10113111013
1158936a84
1231a69919
131a5843c2
1411045301
159de4593
hex6bdefe5

113111013 has 8 divisors (see below), whose sum is σ = 159686208. Its totient is φ = 70971584.

The previous prime is 113110997. The next prime is 113111051. The reversal of 113111013 is 310111311.

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 113111013 - 24 = 113110997 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113111013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113101013) 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, 1108881 + ... + 1108982.

It is an arithmetic number, because the mean of its divisors is an integer number (19960776).

Almost surely, 2113111013 is an apocalyptic number.

It is an amenable number.

113111013 is a deficient number, since it is larger than the sum of its proper divisors (46575195).

113111013 is a wasteful number, since it uses less digits than its factorization.

113111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217883.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 113111013 is about 10635.3661432035. The cubic root of 113111013 is about 483.6170801072.

Adding to 113111013 its reverse (310111311), we get a palindrome (423222324).

The spelling of 113111013 in words is "one hundred thirteen million, one hundred eleven thousand, thirteen".

Divisors: 1 3 17 51 2217863 6653589 37703671 113111013