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112666631 = 7211209029
BaseRepresentation
bin1101011011100…
…10100000000111
321212000001120012
412231302200013
5212320313011
615102500435
72535436100
oct655624007
9255001505
10112666631
1158663120
123189471b
131a45a05c
1410d6b3a7
159d57a8b
hex6b72807

112666631 has 12 divisors (see below), whose sum is σ = 142976520. Its totient is φ = 87791760.

The previous prime is 112666601. The next prime is 112666691. The reversal of 112666631 is 136666211.

It is not a de Polignac number, because 112666631 - 210 = 112665607 is a prime.

It is a super-2 number, since 2×1126666312 = 25387539481780322, which 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 (112666601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103976 + ... + 105053.

It is an arithmetic number, because the mean of its divisors is an integer number (11914710).

Almost surely, 2112666631 is an apocalyptic number.

112666631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112666631 is a deficient number, since it is larger than the sum of its proper divisors (30309889).

112666631 is a wasteful number, since it uses less digits than its factorization.

112666631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209054 (or 209047 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 112666631 is about 10614.4538719616. The cubic root of 112666631 is about 482.9829161499.

The spelling of 112666631 in words is "one hundred twelve million, six hundred sixty-six thousand, six hundred thirty-one".

Divisors: 1 7 11 49 77 539 209029 1463203 2299319 10242421 16095233 112666631