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12552355305 = 325739848747
BaseRepresentation
bin10111011000010110…
…11011110111101001
31012101210110201101100
423230023123313221
5201201400332210
65433320312013
7623026155030
oct135413336751
935353421340
1012552355305
115361528366
122523912609
13125071b099
14871121717
154d6ecb5c0
hex2ec2dbde9

12552355305 has 24 divisors (see below), whose sum is σ = 24865618752. Its totient is φ = 5738219424.

The previous prime is 12552355243. The next prime is 12552355313. The reversal of 12552355305 is 50355325521.

12552355305 is a `hidden beast` number, since 125 + 523 + 5 + 5 + 3 + 0 + 5 = 666.

It is not a de Polignac number, because 12552355305 - 26 = 12552355241 is a prime.

It is a super-3 number, since 3×125523553053 (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12552355305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19924059 + ... + 19924688.

It is an arithmetic number, because the mean of its divisors is an integer number (1036067448).

Almost surely, 212552355305 is an apocalyptic number.

12552355305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12552355305 is a deficient number, since it is larger than the sum of its proper divisors (12313263447).

12552355305 is a wasteful number, since it uses less digits than its factorization.

12552355305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39848765 (or 39848762 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The spelling of 12552355305 in words is "twelve billion, five hundred fifty-two million, three hundred fifty-five thousand, three hundred five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 39848747 119546241 199243735 278941229 358638723 597731205 836823687 1394706145 1793193615 2510471061 4184118435 12552355305