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10112109 = 37677187
BaseRepresentation
bin100110100100…
…110001101101
3201000202012120
4212210301231
510042041414
61000423153
7151644240
oct46446155
921022176
1010112109
115787417
123477ab9
1321308c7
1414b3257
15d4b2a9
hex9a4c6d

10112109 has 16 divisors (see below), whose sum is σ = 15641088. Its totient is φ = 5691312.

The previous prime is 10112101. The next prime is 10112129. The reversal of 10112109 is 90121101.

10112109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10112109 - 23 = 10112101 is a prime.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2187 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (977568).

Almost surely, 210112109 is an apocalyptic number.

It is an amenable number.

10112109 is a deficient number, since it is larger than the sum of its proper divisors (5528979).

10112109 is an equidigital number, since it uses as much as digits as its factorization.

10112109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 10112109 is about 3179.9542449538. The cubic root of 10112109 is about 216.2455840144.

The spelling of 10112109 in words is "ten million, one hundred twelve thousand, one hundred nine".

Divisors: 1 3 7 21 67 201 469 1407 7187 21561 50309 150927 481529 1444587 3370703 10112109