Search a number
-
+
12890102775 = 352113129127
BaseRepresentation
bin11000000000100111…
…10101101111110111
31020021100000001210220
430000103311233313
5202344331242100
65531023345423
7634300031364
oct140023655767
936240001726
1012890102775
115515144000
1225b8a52273
1312a56a4364
148a3d1d46b
15506994aa0
hex3004f5bf7

12890102775 has 48 divisors (see below), whose sum is σ = 23441380608. Its totient is φ = 6249698400.

The previous prime is 12890102747. The next prime is 12890102783. The reversal of 12890102775 is 57720109821.

It is not a de Polignac number, because 12890102775 - 216 = 12890037239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35262 + ... + 164388.

It is an arithmetic number, because the mean of its divisors is an integer number (488362096).

Almost surely, 212890102775 is an apocalyptic number.

12890102775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12890102775 is a deficient number, since it is larger than the sum of its proper divisors (10551277833).

12890102775 is a wasteful number, since it uses less digits than its factorization.

12890102775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129173 (or 129146 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 12890102775 in words is "twelve billion, eight hundred ninety million, one hundred two thousand, seven hundred seventy-five".

Divisors: 1 3 5 11 15 25 33 55 75 121 165 275 363 605 825 1331 1815 3025 3993 6655 9075 19965 33275 99825 129127 387381 645635 1420397 1936905 3228175 4261191 7101985 9684525 15624367 21305955 35509925 46873101 78121835 106529775 171868037 234365505 390609175 515604111 859340185 1171827525 2578020555 4296700925 12890102775