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12550041465 = 3513199323413
BaseRepresentation
bin10111011000000101…
…00110111101111001
31012101122010011101120
423230002212331321
5201200302311330
65433154535453
7623000410113
oct135402467571
935348104346
1012550041465
1153601979a5
122522b97589
1312500bab50
14870abc3b3
154d6bc0c10
hex2ec0a6f79

12550041465 has 32 divisors (see below), whose sum is σ = 21733420800. Its totient is φ = 6147415296.

The previous prime is 12550041403. The next prime is 12550041527. The reversal of 12550041465 is 56414005521.

It is an interprime number because it is at equal distance from previous prime (12550041403) and next prime (12550041527).

It is not a de Polignac number, because 12550041465 - 211 = 12550039417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122902 + ... + 200511.

It is an arithmetic number, because the mean of its divisors is an integer number (679169400).

Almost surely, 212550041465 is an apocalyptic number.

12550041465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12550041465 is a deficient number, since it is larger than the sum of its proper divisors (9183379335).

12550041465 is a wasteful number, since it uses less digits than its factorization.

12550041465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323633.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 12550041465 its reverse (56414005521), we get a palindrome (68964046986).

The spelling of 12550041465 in words is "twelve billion, five hundred fifty million, forty-one thousand, four hundred sixty-five".

Divisors: 1 3 5 13 15 39 65 195 199 597 995 2587 2985 7761 12935 38805 323413 970239 1617065 4204369 4851195 12613107 21021845 63065535 64359187 193077561 321795935 836669431 965387805 2510008293 4183347155 12550041465