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11380228691 = 132930186283
BaseRepresentation
bin10101001100101000…
…01000001001010011
31002101002220111221112
422212110020021103
5141301314304231
65121125443535
7552004230206
oct124624101123
932332814845
1011380228691
11490a92a287
1222572705ab
1310c4935940
1479d5a993d
1546914992b
hex2a6508253

11380228691 has 8 divisors (see below), whose sum is σ = 12678239280. Its totient is φ = 10142590752.

The previous prime is 11380228679. The next prime is 11380228693. The reversal of 11380228691 is 19682208311.

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 11380228691 - 214 = 11380212307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11380228693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15092765 + ... + 15093518.

It is an arithmetic number, because the mean of its divisors is an integer number (1584779910).

Almost surely, 211380228691 is an apocalyptic number.

11380228691 is a deficient number, since it is larger than the sum of its proper divisors (1298010589).

11380228691 is a wasteful number, since it uses less digits than its factorization.

11380228691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30186325.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 11380228691 in words is "eleven billion, three hundred eighty million, two hundred twenty-eight thousand, six hundred ninety-one".

Divisors: 1 13 29 377 30186283 392421679 875402207 11380228691