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12775775090 = 2513419234547
BaseRepresentation
bin10111110010111111…
…01101101101110010
31012222100212121201012
423321133231231302
5202131044300330
65511421110522
7631411203461
oct137137555562
935870777635
1012775775090
115466656a11
1225866b8442
131287ab5240
14892a7c9d8
154eb90ec95
hex2f97edb72

12775775090 has 32 divisors (see below), whose sum is σ = 24824560320. Its totient is φ = 4705930944.

The previous prime is 12775775057. The next prime is 12775775143. The reversal of 12775775090 is 9057757721.

It is a Smith number, since the sum of its digits (50) 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62804 + ... + 171743.

It is an arithmetic number, because the mean of its divisors is an integer number (775767510).

Almost surely, 212775775090 is an apocalyptic number.

12775775090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12775775090 is a deficient number, since it is larger than the sum of its proper divisors (12048785230).

12775775090 is a wasteful number, since it uses less digits than its factorization.

12775775090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234986.

The product of its (nonzero) digits is 1080450, while the sum is 50.

The spelling of 12775775090 in words is "twelve billion, seven hundred seventy-five million, seven hundred seventy-five thousand, ninety".

Divisors: 1 2 5 10 13 26 65 130 419 838 2095 4190 5447 10894 27235 54470 234547 469094 1172735 2345470 3049111 6098222 15245555 30491110 98275193 196550386 491375965 982751930 1277577509 2555155018 6387887545 12775775090