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115798640919 = 3132969195921
BaseRepresentation
bin110101111011000100…
…0110000100100010111
3102001220012120110022120
41223312020300210113
53344123423002134
6125110330431023
711236412131053
oct1536610604427
9361805513276
10115798640919
114512334a935
121a538892473
13abc5953b90
145867378c63
15302b208649
hex1af6230917

115798640919 has 8 divisors (see below), whose sum is σ = 166274971632. Its totient is φ = 71260702080.

The previous prime is 115798640863. The next prime is 115798640929. The reversal of 115798640919 is 919046897511.

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

It is not a de Polignac number, because 115798640919 - 28 = 115798640663 is a prime.

It is a super-2 number, since 2×1157986409192 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115798640929) 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, 1484597922 + ... + 1484597999.

It is an arithmetic number, because the mean of its divisors is an integer number (20784371454).

Almost surely, 2115798640919 is an apocalyptic number.

115798640919 is a deficient number, since it is larger than the sum of its proper divisors (50476330713).

115798640919 is a wasteful number, since it uses less digits than its factorization.

115798640919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969195937.

The product of its (nonzero) digits is 4898880, while the sum is 60.

The spelling of 115798640919 in words is "one hundred fifteen billion, seven hundred ninety-eight million, six hundred forty thousand, nine hundred nineteen".

Divisors: 1 3 13 39 2969195921 8907587763 38599546973 115798640919