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12200103 = 321797573
BaseRepresentation
bin101110100010…
…100010100111
3211221211101200
4232202202213
511110400403
61113253543
7205461546
oct56424247
924854350
1012200103
116983133
1241042b3
1326b20c6
14189815d
15110eca3
hexba28a7

12200103 has 12 divisors (see below), whose sum is σ = 17723160. Its totient is φ = 8086896.

The previous prime is 12200063. The next prime is 12200117. The reversal of 12200103 is 30100221.

It is a happy number.

12200103 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 12200103 - 214 = 12183719 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 (12200303) 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, 2176 + ... + 5397.

It is an arithmetic number, because the mean of its divisors is an integer number (1476930).

Almost surely, 212200103 is an apocalyptic number.

12200103 is a deficient number, since it is larger than the sum of its proper divisors (5523057).

12200103 is a wasteful number, since it uses less digits than its factorization.

12200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758 (or 7755 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 12200103 is about 3492.8645836906. The cubic root of 12200103 is about 230.2083996469.

Adding to 12200103 its reverse (30100221), we get a palindrome (42300324).

The spelling of 12200103 in words is "twelve million, two hundred thousand, one hundred three".

Divisors: 1 3 9 179 537 1611 7573 22719 68157 1355567 4066701 12200103