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11268381909 = 38574382879
BaseRepresentation
bin10100111111010010…
…11101110011010101
31002002022110010000010
422133221131303111
5141034201210114
65102052310433
7546145444251
oct123751356325
932068403003
1011268381909
114862787124
122225912419
1310a7704b05
1478c7b3261
1545e404c59
hex29fa5dcd5

11268381909 has 8 divisors (see below), whose sum is σ = 15042044160. Its totient is φ = 7503487136.

The previous prime is 11268381907. The next prime is 11268381913. The reversal of 11268381909 is 90918386211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11268381909 - 21 = 11268381907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11268381907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188869 + ... + 2194010.

It is an arithmetic number, because the mean of its divisors is an integer number (1880255520).

Almost surely, 211268381909 is an apocalyptic number.

It is an amenable number.

11268381909 is a deficient number, since it is larger than the sum of its proper divisors (3773662251).

11268381909 is an equidigital number, since it uses as much as digits as its factorization.

11268381909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383739.

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 11268381909 in words is "eleven billion, two hundred sixty-eight million, three hundred eighty-one thousand, nine hundred nine".

Divisors: 1 3 857 2571 4382879 13148637 3756127303 11268381909