Base | Representation |
---|---|
bin | 11010001011101000… |
… | …101011011111101001 |
3 | 2200120012122000010010 |
4 | 122023220223133221 |
5 | 430033300010323 |
6 | 20525324242133 |
7 | 2013440212323 |
oct | 321350533751 |
9 | 80505560103 |
10 | 28112500713 |
11 | 10a16856970 |
12 | 55469a0349 |
13 | 286031a40b |
14 | 15098b6613 |
15 | ae8089c93 |
hex | 68ba2b7e9 |
28112500713 has 16 divisors (see below), whose sum is σ = 40896043200. Its totient is φ = 17035740480.
The previous prime is 28112500679. The next prime is 28112500739. The reversal of 28112500713 is 31700521182.
It is not a de Polignac number, because 28112500713 - 29 = 28112500201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28112500613) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236943 + ... + 335211.
It is an arithmetic number, because the mean of its divisors is an integer number (2556002700).
Almost surely, 228112500713 is an apocalyptic number.
It is an amenable number.
28112500713 is a deficient number, since it is larger than the sum of its proper divisors (12783542487).
28112500713 is a wasteful number, since it uses less digits than its factorization.
28112500713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106952.
The product of its (nonzero) digits is 3360, while the sum is 30.
It can be divided in two parts, 28112 and 500713, that added together give a palindrome (528825).
The spelling of 28112500713 in words is "twenty-eight billion, one hundred twelve million, five hundred thousand, seven hundred thirteen".
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