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11077009909 = 71582429987
BaseRepresentation
bin10100101000011110…
…11100000111110101
31001120222100101222021
422110033130013311
5140141203304114
65031054433141
7541333013350
oct122417340765
931528311867
1011077009909
114774757549
1221918027b1
131076b7ba44
147711d9297
1544c702024
hex2943dc1f5

11077009909 has 4 divisors (see below), whose sum is σ = 12659439904. Its totient is φ = 9494579916.

The previous prime is 11077009903. The next prime is 11077009913. The reversal of 11077009909 is 90990077011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11077009909 - 25 = 11077009877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11077009903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791214987 + ... + 791215000.

It is an arithmetic number, because the mean of its divisors is an integer number (3164859976).

Almost surely, 211077009909 is an apocalyptic number.

It is an amenable number.

11077009909 is a deficient number, since it is larger than the sum of its proper divisors (1582429995).

11077009909 is an equidigital number, since it uses as much as digits as its factorization.

11077009909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582429994.

The product of its (nonzero) digits is 35721, while the sum is 43.

The spelling of 11077009909 in words is "eleven billion, seventy-seven million, nine thousand, nine hundred nine".

Divisors: 1 7 1582429987 11077009909