Base | Representation |
---|---|
bin | 10101001100011100010… |
… | …00010011010010001101 |
3 | 2120121200212202220112010 |
4 | 22212032020103102031 |
5 | 43412410401420322 |
6 | 1314313542131433 |
7 | 103420213661451 |
oct | 12461610232215 |
9 | 2517625686463 |
10 | 728234013837 |
11 | 26092a130130 |
12 | b9178120b79 |
13 | 538979c0bc5 |
14 | 27364dac661 |
15 | 13e22b4620c |
hex | a98e21348d |
728234013837 has 16 divisors (see below), whose sum is σ = 1061424548352. Its totient is φ = 440447667120.
The previous prime is 728234013809. The next prime is 728234013869. The reversal of 728234013837 is 738310432827.
It is not a de Polignac number, because 728234013837 - 27 = 728234013709 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (728234013937) 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 15 ways as a sum of consecutive naturals, for example, 22640703 + ... + 22672844.
It is an arithmetic number, because the mean of its divisors is an integer number (66339034272).
Almost surely, 2728234013837 is an apocalyptic number.
It is an amenable number.
728234013837 is a deficient number, since it is larger than the sum of its proper divisors (333190534515).
728234013837 is a wasteful number, since it uses less digits than its factorization.
728234013837 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45314048.
The product of its (nonzero) digits is 1354752, while the sum is 48.
The spelling of 728234013837 in words is "seven hundred twenty-eight billion, two hundred thirty-four million, thirteen thousand, eight hundred thirty-seven".
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