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12110103 = 321779151
BaseRepresentation
bin101110001100…
…100100010111
3211210020221100
4232030210113
511100010403
61111321143
7204635265
oct56144427
924706840
1012110103
116921555
1240801b3
132680155
141873435
1510e32a3
hexb8c917

12110103 has 12 divisors (see below), whose sum is σ = 18521568. Its totient is φ = 7598400.

The previous prime is 12110101. The next prime is 12110107. The reversal of 12110103 is 30101121.

12110103 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12110103 - 21 = 12110101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39423 + ... + 39728.

It is an arithmetic number, because the mean of its divisors is an integer number (1543464).

Almost surely, 212110103 is an apocalyptic number.

12110103 is a deficient number, since it is larger than the sum of its proper divisors (6411465).

12110103 is a wasteful number, since it uses less digits than its factorization.

12110103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79174 (or 79171 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 12110103 is about 3479.9573273246. The cubic root of 12110103 is about 229.6409204726.

Adding to 12110103 its reverse (30101121), we get a palindrome (42211224).

The spelling of 12110103 in words is "twelve million, one hundred ten thousand, one hundred three".

Divisors: 1 3 9 17 51 153 79151 237453 712359 1345567 4036701 12110103