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18275883830 = 2517107505199
BaseRepresentation
bin10001000001010100…
…111101101100110110
31202011200022002111022
4101001110331230312
5244412111240310
612221255341142
71214615310101
oct210124755466
952150262438
1018275883830
117829295026
1236606817b2
131953436559
14c55323738
1571e701a55
hex44153db36

18275883830 has 16 divisors (see below), whose sum is σ = 34831684800. Its totient is φ = 6880332672.

The previous prime is 18275883797. The next prime is 18275883877. The reversal of 18275883830 is 3838857281.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53752430 + ... + 53752769.

It is an arithmetic number, because the mean of its divisors is an integer number (2176980300).

Almost surely, 218275883830 is an apocalyptic number.

18275883830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18275883830 is a deficient number, since it is larger than the sum of its proper divisors (16555800970).

18275883830 is a wasteful number, since it uses less digits than its factorization.

18275883830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107505223.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 18275883830 in words is "eighteen billion, two hundred seventy-five million, eight hundred eighty-three thousand, eight hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 107505199 215010398 537525995 1075051990 1827588383 3655176766 9137941915 18275883830