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1122685109 = 72131762457
BaseRepresentation
bin100001011101010…
…1101000010110101
32220020112022102222
41002322231002311
54244401410414
6303223012125
736551444300
oct10272550265
92806468388
101122685109
115267a9a37
12273b9a045
1314b794320
14a9165b37
156886768e
hex42ead0b5

1122685109 has 12 divisors (see below), whose sum is σ = 1406441484. Its totient is φ = 888277824.

The previous prime is 1122685093. The next prime is 1122685127. The reversal of 1122685109 is 9015862211.

It can be written as a sum of positive squares in 2 ways, for example, as 317374225 + 805310884 = 17815^2 + 28378^2 .

It is not a de Polignac number, because 1122685109 - 24 = 1122685093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122685139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 880592 + ... + 881865.

It is an arithmetic number, because the mean of its divisors is an integer number (117203457).

Almost surely, 21122685109 is an apocalyptic number.

It is an amenable number.

1122685109 is a deficient number, since it is larger than the sum of its proper divisors (283756375).

1122685109 is a wasteful number, since it uses less digits than its factorization.

1122685109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762484 (or 1762477 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1122685109 is about 33506.4935348359. The cubic root of 1122685109 is about 1039.3280635564.

The spelling of 1122685109 in words is "one billion, one hundred twenty-two million, six hundred eighty-five thousand, one hundred nine".

Divisors: 1 7 13 49 91 637 1762457 12337199 22911941 86360393 160383587 1122685109