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18182368234 = 212589722153
BaseRepresentation
bin10000111011110000…
…001110101111101010
31201221011100000012201
4100323300032233222
5244214141240414
612204115130414
71212401402632
oct207360165752
951834300181
1018182368234
117790522408
1236352a3a0a
131939c53394
14c46b3d6c2
157163cd574
hex43bc0ebea

18182368234 has 8 divisors (see below), whose sum is σ = 27275756580. Its totient is φ = 9090449376.

The previous prime is 18182368199. The next prime is 18182368301. The reversal of 18182368234 is 43286328181.

It can be written as a sum of positive squares in 2 ways, for example, as 18117967609 + 64400625 = 134603^2 + 8025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335899 + ... + 386254.

Almost surely, 218182368234 is an apocalyptic number.

18182368234 is a deficient number, since it is larger than the sum of its proper divisors (9093388346).

18182368234 is a wasteful number, since it uses less digits than its factorization.

18182368234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734744.

The product of its digits is 442368, while the sum is 46.

The spelling of 18182368234 in words is "eighteen billion, one hundred eighty-two million, three hundred sixty-eight thousand, two hundred thirty-four".

Divisors: 1 2 12589 25178 722153 1444306 9091184117 18182368234