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15145314616 = 233161069817
BaseRepresentation
bin11100001101011101…
…10010100100111000
31110002111120200212101
432012232302210320
5222004200031431
610542504353144
71044213023125
oct160656624470
943074520771
1015145314616
116472154043
122b281757b4
131574997433
14a3964d74c
155d996a961
hex386bb2938

15145314616 has 16 divisors (see below), whose sum is σ = 29313512640. Its totient is φ = 7328377920.

The previous prime is 15145314601. The next prime is 15145314619. The reversal of 15145314616 is 61641354151.

It is a happy number.

15145314616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15145314619) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30534661 + ... + 30535156.

It is an arithmetic number, because the mean of its divisors is an integer number (1832094540).

Almost surely, 215145314616 is an apocalyptic number.

It is an amenable number.

15145314616 is a deficient number, since it is larger than the sum of its proper divisors (14168198024).

15145314616 is a wasteful number, since it uses less digits than its factorization.

15145314616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61069854 (or 61069850 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

Adding to 15145314616 its reverse (61641354151), we get a palindrome (76786668767).

The spelling of 15145314616 in words is "fifteen billion, one hundred forty-five million, three hundred fourteen thousand, six hundred sixteen".

Divisors: 1 2 4 8 31 62 124 248 61069817 122139634 244279268 488558536 1893164327 3786328654 7572657308 15145314616