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112801697 = 139811523
BaseRepresentation
bin1101011100100…
…11011110100001
321212020220211122
412232103132201
5212334123242
615105422025
72536540631
oct656233641
9255226748
10112801697
1158745648
123193a915
131a4a6688
1410da46c1
159d82ad2
hex6b937a1

112801697 has 4 divisors (see below), whose sum is σ = 113613360. Its totient is φ = 111990036.

The previous prime is 112801643. The next prime is 112801721. The reversal of 112801697 is 796108211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 796108211 = 2196136251.

It is a cyclic number.

It is not a de Polignac number, because 112801697 - 210 = 112800673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112801607) 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, 405623 + ... + 405900.

It is an arithmetic number, because the mean of its divisors is an integer number (28403340).

Almost surely, 2112801697 is an apocalyptic number.

It is an amenable number.

112801697 is a deficient number, since it is larger than the sum of its proper divisors (811663).

112801697 is an equidigital number, since it uses as much as digits as its factorization.

112801697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811662.

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 112801697 is about 10620.8143284778. The cubic root of 112801697 is about 483.1758408262.

The spelling of 112801697 in words is "one hundred twelve million, eight hundred one thousand, six hundred ninety-seven".

Divisors: 1 139 811523 112801697