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18127892358917 = 115927932037533
BaseRepresentation
bin1000001111100101110101…
…00101011010011100000101
32101012000020222122122021122
410013302322211122130011
54334001410420441132
6102315501102123325
73550461033440645
oct407627245323405
971160228578248
1018127892358917
115859aa5709450
122049382580545
13a165b708c3b3
14469574d9c525
15216834b95912
hex107cba95a705

18127892358917 has 8 divisors (see below), whose sum is σ = 20111067024480. Its totient is φ = 16200581768560.

The previous prime is 18127892358893. The next prime is 18127892359007. The reversal of 18127892358917 is 71985329872181.

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 18127892358917 - 26 = 18127892358853 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 (18127892357917) 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, 13966018118 + ... + 13966019415.

It is an arithmetic number, because the mean of its divisors is an integer number (2513883378060).

Almost surely, 218127892358917 is an apocalyptic number.

It is an amenable number.

18127892358917 is a deficient number, since it is larger than the sum of its proper divisors (1983174665563).

18127892358917 is a wasteful number, since it uses less digits than its factorization.

18127892358917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27932037603.

The product of its digits is 121927680, while the sum is 71.

The spelling of 18127892358917 in words is "eighteen trillion, one hundred twenty-seven billion, eight hundred ninety-two million, three hundred fifty-eight thousand, nine hundred seventeen".

Divisors: 1 11 59 649 27932037533 307252412863 1647990214447 18127892358917