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12214400005 = 52442880001
BaseRepresentation
bin10110110000000100…
…01111010000000101
31011112020112210212101
423120002033100011
5200003341300010
65340004552101
7611453454433
oct133002172005
934466483771
1012214400005
1151a878a565
12244a6b2631
1311c86c1332
1483c2abd53
154b74c173a
hex2d808f405

12214400005 has 4 divisors (see below), whose sum is σ = 14657280012. Its totient is φ = 9771520000.

The previous prime is 12214399999. The next prime is 12214400083. The reversal of 12214400005 is 50000441221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50000441221 = 232173932227.

It can be written as a sum of positive squares in 2 ways, for example, as 9694962369 + 2519437636 = 98463^2 + 50194^2 .

It is not a de Polignac number, because 12214400005 - 211 = 12214397957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1221439996 + ... + 1221440005.

It is an arithmetic number, because the mean of its divisors is an integer number (3664320003).

Almost surely, 212214400005 is an apocalyptic number.

It is an amenable number.

12214400005 is a deficient number, since it is larger than the sum of its proper divisors (2442880007).

12214400005 is an equidigital number, since it uses as much as digits as its factorization.

12214400005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442880006.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 12214400005 its reverse (50000441221), we get a palindrome (62214841226).

The spelling of 12214400005 in words is "twelve billion, two hundred fourteen million, four hundred thousand, five".

Divisors: 1 5 2442880001 12214400005