Base | Representation |
---|---|
bin | 11100001100110111… |
… | …10101010100010001 |
3 | 1110002011020012222102 |
4 | 32012123311110101 |
5 | 222001412020410 |
6 | 10542210050145 |
7 | 1044122544554 |
oct | 160633652421 |
9 | 43064205872 |
10 | 15140345105 |
11 | 646a36a406 |
12 | 2b26579955 |
13 | 15739474b2 |
14 | a38b1869b |
15 | 5d92d82a5 |
hex | 3866f5511 |
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".
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