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99112111 = 7291313727
BaseRepresentation
bin1011110100001…
…01010010101111
320220111102020221
411322011102233
5200333041421
613500152211
72312303410
oct572052257
9226442227
1099112111
1150a4543a
1229238667
13176c2627
14d23d807
158a7b841
hex5e854af

99112111 has 16 divisors (see below), whose sum is σ = 118103040. Its totient is φ = 81375840.

The previous prime is 99112109. The next prime is 99112133. The reversal of 99112111 is 11121199.

It is not a de Polignac number, because 99112111 - 21 = 99112109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99112171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24730 + ... + 28456.

It is an arithmetic number, because the mean of its divisors is an integer number (7381440).

Almost surely, 299112111 is an apocalyptic number.

99112111 is a deficient number, since it is larger than the sum of its proper divisors (18990929).

99112111 is a wasteful number, since it uses less digits than its factorization.

99112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894.

The product of its digits is 162, while the sum is 25.

The square root of 99112111 is about 9955.5065667197. The cubic root of 99112111 is about 462.7810588728.

The spelling of 99112111 in words is "ninety-nine million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 7 29 131 203 917 3727 3799 26089 26593 108083 488237 756581 3417659 14158873 99112111