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12230410055 = 52446082011
BaseRepresentation
bin10110110001111110…
…10011111101000111
31011120100200012112012
423120333103331013
5200021441110210
65341340044435
7612036525113
oct133077237507
934510605465
1012230410055
115206825106
122453b3371b
1311cbb08636
14840478743
154b8ad5305
hex2d8fd3f47

12230410055 has 4 divisors (see below), whose sum is σ = 14676492072. Its totient is φ = 9784328040.

The previous prime is 12230410039. The next prime is 12230410097. The reversal of 12230410055 is 55001403221.

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

It is not a de Polignac number, because 12230410055 - 24 = 12230410039 is a prime.

It is a super-2 number, since 2×122304100552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12230410055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223041001 + ... + 1223041010.

It is an arithmetic number, because the mean of its divisors is an integer number (3669123018).

Almost surely, 212230410055 is an apocalyptic number.

12230410055 is a deficient number, since it is larger than the sum of its proper divisors (2446082017).

12230410055 is an equidigital number, since it uses as much as digits as its factorization.

12230410055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446082016.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 12230410055 its reverse (55001403221), we get a palindrome (67231813276).

The spelling of 12230410055 in words is "twelve billion, two hundred thirty million, four hundred ten thousand, fifty-five".

Divisors: 1 5 2446082011 12230410055