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11868774329 = 39729896157
BaseRepresentation
bin10110000110110111…
…10001111110111001
31010122011012012120102
423003123301332321
5143301401234304
65241421005145
7600055626416
oct130333617671
933564165512
1011868774329
115040682905
1223729b37b5
131171c0a1b9
1480841d10d
15496e9dd1e
hex2c36f1fb9

11868774329 has 4 divisors (see below), whose sum is σ = 11898670884. Its totient is φ = 11838877776.

The previous prime is 11868774287. The next prime is 11868774371. The reversal of 11868774329 is 92347786811.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11868774287) and next prime (11868774371).

It can be written as a sum of positive squares in 2 ways, for example, as 6835155625 + 5033618704 = 82675^2 + 70948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11868774329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11868774389) 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, 14947682 + ... + 14948475.

It is an arithmetic number, because the mean of its divisors is an integer number (2974667721).

Almost surely, 211868774329 is an apocalyptic number.

It is an amenable number.

11868774329 is a deficient number, since it is larger than the sum of its proper divisors (29896555).

11868774329 is an equidigital number, since it uses as much as digits as its factorization.

11868774329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29896554.

The product of its digits is 4064256, while the sum is 56.

The spelling of 11868774329 in words is "eleven billion, eight hundred sixty-eight million, seven hundred seventy-four thousand, three hundred twenty-nine".

Divisors: 1 397 29896157 11868774329