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18124428239137 = 1115110911756917
BaseRepresentation
bin1000001111011111011000…
…00110110110000100100001
32101011200022120022010022001
410013233230012312010201
54333422312112123022
6102314125234044001
73550306141060243
oct407575406660441
971150276263261
1018124428239137
115858588268a40
122048776419601
13a161844a638c
14469326ca0093
152166d09c4b27
hex107bec1b6121

18124428239137 has 8 divisors (see below), whose sum is σ = 19903044618432. Its totient is φ = 16367635374000.

The previous prime is 18124428239077. The next prime is 18124428239179. The reversal of 18124428239137 is 73193282442181.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18124428239137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18124428236137) 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, 5455876798 + ... + 5455880119.

It is an arithmetic number, because the mean of its divisors is an integer number (2487880577304).

Almost surely, 218124428239137 is an apocalyptic number.

It is an amenable number.

18124428239137 is a deficient number, since it is larger than the sum of its proper divisors (1778616379295).

18124428239137 is a wasteful number, since it uses less digits than its factorization.

18124428239137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911757079.

The product of its digits is 4644864, while the sum is 55.

The spelling of 18124428239137 in words is "eighteen trillion, one hundred twenty-four billion, four hundred twenty-eight million, two hundred thirty-nine thousand, one hundred thirty-seven".

Divisors: 1 11 151 1661 10911756917 120029326087 1647675294467 18124428239137