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112910861 = 716130123
BaseRepresentation
bin1101011101011…
…10001000001101
321212110110120202
412232232020031
5212401121421
615112023245
72540504120
oct656561015
9255413522
10112910861
115880a668
1231991b25
131a51427b
1410dd23b7
159da510b
hex6bae20d

112910861 has 4 divisors (see below), whose sum is σ = 129040992. Its totient is φ = 96780732.

The previous prime is 112910827. The next prime is 112910869. The reversal of 112910861 is 168019211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112910861 - 222 = 108716557 is a prime.

It is a super-2 number, since 2×1129108612 = 25497725063522642, 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 (112910869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8065055 + ... + 8065068.

It is an arithmetic number, because the mean of its divisors is an integer number (32260248).

Almost surely, 2112910861 is an apocalyptic number.

It is an amenable number.

112910861 is a deficient number, since it is larger than the sum of its proper divisors (16130131).

112910861 is an equidigital number, since it uses as much as digits as its factorization.

112910861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16130130.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 112910861 is about 10625.9522396819. The cubic root of 112910861 is about 483.3316552723.

The spelling of 112910861 in words is "one hundred twelve million, nine hundred ten thousand, eight hundred sixty-one".

Divisors: 1 7 16130123 112910861