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12551415330 = 2352347387031
BaseRepresentation
bin10111011000001111…
…10110011000100010
31012101201200221222110
423230013312120202
5201201130242310
65433244220150
7623015161416
oct135407663042
935351627873
1012551415330
115360a46123
12252353a656
13125047c29c
14870d58d46
154d6d92d20
hex2ec1f6622

12551415330 has 64 divisors (see below), whose sum is σ = 32101982208. Its totient is φ = 3133394880.

The previous prime is 12551415277. The next prime is 12551415343. The reversal of 12551415330 is 3351415521.

12551415330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161086 + ... + 225945.

It is an arithmetic number, because the mean of its divisors is an integer number (501593472).

Almost surely, 212551415330 is an apocalyptic number.

12551415330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12551415330 is an abundant number, since it is smaller than the sum of its proper divisors (19550566878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12551415330 is a wasteful number, since it uses less digits than its factorization.

12551415330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387111.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 12551415330 in words is "twelve billion, five hundred fifty-one million, four hundred fifteen thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 47 69 94 115 138 141 230 235 282 345 470 690 705 1081 1410 2162 3243 5405 6486 10810 16215 32430 387031 774062 1161093 1935155 2322186 3870310 5805465 8901713 11610930 17803426 18190457 26705139 36380914 44508565 53410278 54571371 89017130 90952285 109142742 133525695 181904570 267051390 272856855 418380511 545713710 836761022 1255141533 2091902555 2510283066 4183805110 6275707665 12551415330