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23111112113 = 891372637207
BaseRepresentation
bin10101100001100001…
…111001010110110001
32012122122122010202022
4111201201321112301
5334312421041423
614341143201225
71445500132415
oct254141712661
965578563668
1023111112113
11988a690661
12458ba46215
1322440c378b
141193572d45
15903e5bdc8
hex5618795b1

23111112113 has 16 divisors (see below), whose sum is σ = 23634167040. Its totient is φ = 22595248896.

The previous prime is 23111112109. The next prime is 23111112119. The reversal of 23111112113 is 31121111132.

It is a cyclic number.

It is not a de Polignac number, because 23111112113 - 22 = 23111112109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23111112091 and 23111112100.

It is not an unprimeable number, because it can be changed into a prime (23111112119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3203156 + ... + 3210362.

It is an arithmetic number, because the mean of its divisors is an integer number (1477135440).

Almost surely, 223111112113 is an apocalyptic number.

It is an amenable number.

23111112113 is a deficient number, since it is larger than the sum of its proper divisors (523054927).

23111112113 is a wasteful number, since it uses less digits than its factorization.

23111112113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7696.

The product of its digits is 36, while the sum is 17.

Adding to 23111112113 its reverse (31121111132), we get a palindrome (54232223245).

The spelling of 23111112113 in words is "twenty-three billion, one hundred eleven million, one hundred twelve thousand, one hundred thirteen".

Divisors: 1 89 137 263 7207 12193 23407 36031 641423 987359 1895441 3206759 87874951 168694249 259675417 23111112113