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15140345105 = 544911935653
BaseRepresentation
bin11100001100110111…
…10101010100010001
31110002011020012222102
432012123311110101
5222001412020410
610542210050145
71044122544554
oct160633652421
943064205872
1015140345105
11646a36a406
122b26579955
1315739474b2
14a38b1869b
155d92d82a5
hex3866f5511

15140345105 has 16 divisors (see below), whose sum is σ = 18227365200. Its totient is φ = 12073033728.

The previous prime is 15140345089. The next prime is 15140345113. The reversal of 15140345105 is 50154304151.

15140345105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 306810256 + 14833534849 = 17516^2 + 121793^2 .

It is a cyclic number.

It is not a de Polignac number, because 15140345105 - 24 = 15140345089 is a prime.

It is a super-2 number, since 2×151403451052 (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2675459 + ... + 2681111.

It is an arithmetic number, because the mean of its divisors is an integer number (1139210325).

Almost surely, 215140345105 is an apocalyptic number.

It is an amenable number.

15140345105 is a deficient number, since it is larger than the sum of its proper divisors (3087020095).

15140345105 is a wasteful number, since it uses less digits than its factorization.

15140345105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 15140345105 its reverse (50154304151), we get a palindrome (65294649256).

The spelling of 15140345105 in words is "fifteen billion, one hundred forty million, three hundred forty-five thousand, one hundred five".

Divisors: 1 5 449 1193 2245 5653 5965 28265 535657 2538197 2678285 6744029 12690985 33720145 3028069021 15140345105