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10728080115 = 351017081241
BaseRepresentation
bin10011111110111000…
…11000001011110011
31000200122202221021120
421333130120023303
5133432342030430
64532311553323
7526565114334
oct117734301363
930618687246
1010728080115
1146057a3415
1220b498b843
13101c7ab9cc
1473ab2a28b
1542bc7a610
hex27f7182f3

10728080115 has 16 divisors (see below), whose sum is σ = 17334880416. Its totient is φ = 5664992000.

The previous prime is 10728080093. The next prime is 10728080147. The reversal of 10728080115 is 51108082701.

It is not a de Polignac number, because 10728080115 - 213 = 10728071923 is a prime.

It is a super-3 number, since 3×107280801153 (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3539106 + ... + 3542135.

It is an arithmetic number, because the mean of its divisors is an integer number (1083430026).

Almost surely, 210728080115 is an apocalyptic number.

10728080115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10728080115 is a deficient number, since it is larger than the sum of its proper divisors (6606800301).

10728080115 is a wasteful number, since it uses less digits than its factorization.

10728080115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081350.

The product of its (nonzero) digits is 4480, while the sum is 33.

The spelling of 10728080115 in words is "ten billion, seven hundred twenty-eight million, eighty thousand, one hundred fifteen".

Divisors: 1 3 5 15 101 303 505 1515 7081241 21243723 35406205 106218615 715205341 2145616023 3576026705 10728080115