Base | Representation |
---|---|
bin | 11010011011001101… |
… | …000001011101011011 |
3 | 2201020102002121010020 |
4 | 122123031001131123 |
5 | 431102130423412 |
6 | 21011254321523 |
7 | 2023061231634 |
oct | 323315013533 |
9 | 81212077106 |
10 | 28373686107 |
11 | 1104022a368 |
12 | 55ba3592a3 |
13 | 28a24780a0 |
14 | 153246488b |
15 | b10e7d18c |
hex | 69b34175b |
28373686107 has 16 divisors (see below), whose sum is σ = 42055953408. Its totient is φ = 16897479840.
The previous prime is 28373686091. The next prime is 28373686139. The reversal of 28373686107 is 70168637382.
It is not a de Polignac number, because 28373686107 - 24 = 28373686091 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28373686107.
It is not an unprimeable number, because it can be changed into a prime (28373686177) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11733153 + ... + 11735570.
It is an arithmetic number, because the mean of its divisors is an integer number (2628497088).
Almost surely, 228373686107 is an apocalyptic number.
28373686107 is a deficient number, since it is larger than the sum of its proper divisors (13682267301).
28373686107 is a wasteful number, since it uses less digits than its factorization.
28373686107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23468770.
The product of its (nonzero) digits is 2032128, while the sum is 51.
The spelling of 28373686107 in words is "twenty-eight billion, three hundred seventy-three million, six hundred eighty-six thousand, one hundred seven".
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