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11856048329 = 51461230389
BaseRepresentation
bin10110000101010110…
…01111000011001001
31010121021020122210002
423002223033003021
5143240122021304
65240244132345
7566542514366
oct130253170311
933537218702
1011856048329
115034480654
12236a6970b5
13116c3a2918
1480686946d
15495cd831e
hex2c2acf0c9

11856048329 has 4 divisors (see below), whose sum is σ = 11856330180. Its totient is φ = 11855766480.

The previous prime is 11856048263. The next prime is 11856048361. The reversal of 11856048329 is 92384065811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92384065811 = 769911999489.

It can be written as a sum of positive squares in 2 ways, for example, as 5903617225 + 5952431104 = 76835^2 + 77152^2 .

It is a cyclic number.

It is not a de Polignac number, because 11856048329 - 228 = 11587612873 is a prime.

It is a super-3 number, since 3×118560483293 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11856078329) 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, 63734 + ... + 166655.

It is an arithmetic number, because the mean of its divisors is an integer number (2964082545).

Almost surely, 211856048329 is an apocalyptic number.

It is an amenable number.

11856048329 is a deficient number, since it is larger than the sum of its proper divisors (281851).

11856048329 is an equidigital number, since it uses as much as digits as its factorization.

11856048329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281850.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 11856048329 in words is "eleven billion, eight hundred fifty-six million, forty-eight thousand, three hundred twenty-nine".

Divisors: 1 51461 230389 11856048329