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13201145244 = 2232752385497
BaseRepresentation
bin11000100101101100…
…10111110110011100
31021002000021122212100
430102312113312130
5204013443121434
610021534205100
7645064611630
oct142266276634
937060248770
1013201145244
11566477a8a1
122685053790
131324c6a361
148d3368dc0
15523e35699
hex312d97d9c

13201145244 has 36 divisors (see below), whose sum is σ = 38136642544. Its totient is φ = 3771755712.

The previous prime is 13201145239. The next prime is 13201145263. The reversal of 13201145244 is 44254110231.

Adding to 13201145244 its reverse (44254110231), we get a palindrome (57455255475).

13201145244 is a `hidden beast` number, since 1 + 3 + 20 + 114 + 524 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 26192497 + ... + 26193000.

Almost surely, 213201145244 is an apocalyptic number.

13201145244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13201145244 is an abundant number, since it is smaller than the sum of its proper divisors (24935497300).

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

13201145244 is a wasteful number, since it uses less digits than its factorization.

13201145244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52385514 (or 52385509 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 13201145244 in words is "thirteen billion, two hundred one million, one hundred forty-five thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 52385497 104770994 157156491 209541988 314312982 366698479 471469473 628625964 733396958 942938946 1100095437 1466793916 1885877892 2200190874 3300286311 4400381748 6600572622 13201145244