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18956102 = 21137121
BaseRepresentation
bin100100001001…
…1111101000110
31022200001212212
41020103331012
514323043402
61514143422
7320060414
oct110237506
938601785
1018956102
11a778000
126421b72
133c09239
1427362b4
1519e6952
hex1213f46

18956102 has 16 divisors (see below), whose sum is σ = 31279824. Its totient is φ = 8615200.

The previous prime is 18956057. The next prime is 18956107. The reversal of 18956102 is 20165981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18956107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899 + ... + 6222.

It is an arithmetic number, because the mean of its divisors is an integer number (1954989).

Almost surely, 218956102 is an apocalyptic number.

18956102 is a deficient number, since it is larger than the sum of its proper divisors (12323722).

18956102 is an equidigital number, since it uses as much as digits as its factorization.

18956102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156 (or 7134 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 18956102 is about 4353.8605857331. The cubic root of 18956102 is about 266.6345020233.

It can be divided in two parts, 1895 and 6102, that added together give a palindrome (7997).

The spelling of 18956102 in words is "eighteen million, nine hundred fifty-six thousand, one hundred two".

Divisors: 1 2 11 22 121 242 1331 2662 7121 14242 78331 156662 861641 1723282 9478051 18956102