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157859727093 = 33109290918439
BaseRepresentation
bin1001001100000100101…
…1000100011011110101
3120002110111221000112000
42103001023010123311
510041244042231333
6200304133445513
714255624353335
oct2230113043365
9502414830460
10157859727093
1160a47778482
1226716aa0899
1311b69a1ac53
1478d75830c5
15418db1c713
hex24c12c46f5

157859727093 has 32 divisors (see below), whose sum is σ = 236105760000. Its totient is φ = 104232816576.

The previous prime is 157859727089. The next prime is 157859727121. The reversal of 157859727093 is 390727958751.

157859727093 is a `hidden beast` number, since 1 + 578 + 59 + 7 + 2 + 7 + 0 + 9 + 3 = 666.

It is not a de Polignac number, because 157859727093 - 22 = 157859727089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157859727093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157859727073) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8551968 + ... + 8570406.

It is an arithmetic number, because the mean of its divisors is an integer number (7378305000).

Almost surely, 2157859727093 is an apocalyptic number.

It is an amenable number.

157859727093 is a deficient number, since it is larger than the sum of its proper divisors (78246032907).

157859727093 is a wasteful number, since it uses less digits than its factorization.

157859727093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21466 (or 21460 counting only the distinct ones).

The product of its (nonzero) digits is 33339600, while the sum is 63.

The spelling of 157859727093 in words is "one hundred fifty-seven billion, eight hundred fifty-nine million, seven hundred twenty-seven thousand, ninety-three".

Divisors: 1 3 9 27 109 327 981 2909 2943 8727 18439 26181 55317 78543 165951 317081 497853 951243 2009851 2853729 6029553 8561187 18088659 53639051 54265977 160917153 482751459 1448254377 5846656559 17539969677 52619909031 157859727093