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12151412205 = 3519336711437
BaseRepresentation
bin10110101000100011…
…11101010111101101
31011100212000200211220
423110101331113231
5144341230142310
65325434533553
7610060204512
oct132421752755
934325020756
1012151412205
115176178929
1224315972b9
1311b863944a
14833b93309
154b1bcd670
hex2d447d5ed

12151412205 has 32 divisors (see below), whose sum is σ = 19597960704. Its totient is φ = 6429044736.

The previous prime is 12151412191. The next prime is 12151412243. The reversal of 12151412205 is 50221415121.

It is a happy number.

It is not a de Polignac number, because 12151412205 - 28 = 12151411949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1056747 + ... + 1068183.

It is an arithmetic number, because the mean of its divisors is an integer number (612436272).

Almost surely, 212151412205 is an apocalyptic number.

12151412205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12151412205 is a deficient number, since it is larger than the sum of its proper divisors (7446548499).

12151412205 is a wasteful number, since it uses less digits than its factorization.

12151412205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12005.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 12151412205 its reverse (50221415121), we get a palindrome (62372827326).

The spelling of 12151412205 in words is "twelve billion, one hundred fifty-one million, four hundred twelve thousand, two hundred five".

Divisors: 1 3 5 15 193 367 579 965 1101 1835 2895 5505 11437 34311 57185 70831 171555 212493 354155 1062465 2207341 4197379 6622023 11036705 12592137 20986895 33110115 62960685 810094147 2430282441 4050470735 12151412205