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11308601243 = 29389951767
BaseRepresentation
bin10101000100000101…
…11000111110011011
31002012010010110120002
422202002320332123
5141130000214433
65110050323215
7550144344632
oct124202707633
932163113502
1011308601243
114883457545
12223728950b
1310b2b47434
14793c82519
15462beb9e8
hex2a20b8f9b

11308601243 has 4 divisors (see below), whose sum is σ = 11698553040. Its totient is φ = 10918649448.

The previous prime is 11308601237. The next prime is 11308601251. The reversal of 11308601243 is 34210680311.

11308601243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11308601243 - 28 = 11308600987 is a prime.

It is a super-2 number, since 2×113086012432 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 389951767 = 11308601243 / (1 + 1 + 3 + 0 + 8 + 6 + 0 + 1 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11308601443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194975855 + ... + 194975912.

It is an arithmetic number, because the mean of its divisors is an integer number (2924638260).

Almost surely, 211308601243 is an apocalyptic number.

11308601243 is a deficient number, since it is larger than the sum of its proper divisors (389951797).

11308601243 is an equidigital number, since it uses as much as digits as its factorization.

11308601243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389951796.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 11308601243 in words is "eleven billion, three hundred eight million, six hundred one thousand, two hundred forty-three".

Divisors: 1 29 389951767 11308601243