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18152006959 = 672111284007
BaseRepresentation
bin10000111001111100…
…011010010100101111
31201212001012111101001
4100321330122110233
5244133403210314
612201112301131
71211552341042
oct207174322457
951761174331
1018152006959
117775375549
1236270a17a7
131933882b28
14c42ab8c59
157138d2674
hex439f1a52f

18152006959 has 8 divisors (see below), whose sum is σ = 18510259328. Its totient is φ = 17796323160.

The previous prime is 18152006927. The next prime is 18152006963. The reversal of 18152006959 is 95960025181.

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

It is a cyclic number.

It is not a de Polignac number, because 18152006959 - 25 = 18152006927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18152006909) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 627867 + ... + 656140.

It is an arithmetic number, because the mean of its divisors is an integer number (2313782416).

Almost surely, 218152006959 is an apocalyptic number.

18152006959 is a deficient number, since it is larger than the sum of its proper divisors (358252369).

18152006959 is a wasteful number, since it uses less digits than its factorization.

18152006959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284285.

The product of its (nonzero) digits is 194400, while the sum is 46.

The spelling of 18152006959 in words is "eighteen billion, one hundred fifty-two million, six thousand, nine hundred fifty-nine".

Divisors: 1 67 211 14137 1284007 86028469 270925477 18152006959