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10112111 = 231393163
BaseRepresentation
bin100110100100…
…110001101111
3201000202012122
4212210301233
510042041421
61000423155
7151644242
oct46446157
921022178
1010112111
115787419
123477abb
1321308c9
1414b3259
15d4b2ab
hex9a4c6f

10112111 has 8 divisors (see below), whose sum is σ = 10631040. Its totient is φ = 9599832.

The previous prime is 10112101. The next prime is 10112129. The reversal of 10112111 is 11121101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10112111 - 214 = 10095727 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112101) 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 7 ways as a sum of consecutive naturals, for example, 1616 + ... + 4778.

It is an arithmetic number, because the mean of its divisors is an integer number (1328880).

Almost surely, 210112111 is an apocalyptic number.

10112111 is a deficient number, since it is larger than the sum of its proper divisors (518929).

10112111 is a wasteful number, since it uses less digits than its factorization.

10112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 10112111 is about 3179.9545594238. The cubic root of 10112111 is about 216.2455982710.

Adding to 10112111 its reverse (11121101), we get a palindrome (21233212).

The spelling of 10112111 in words is "ten million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 23 139 3163 3197 72749 439657 10112111