Base | Representation |
---|---|
bin | 1101000010100100010011… |
… | …01010000111011110011100 |
3 | 10202112100111200022201200002 |
4 | 12201102021222013132130 |
5 | 12224304421330443411 |
6 | 140553203055153432 |
7 | 6016510620263345 |
oct | 641221152073634 |
9 | 122470450281602 |
10 | 28675511187356 |
11 | 9156241550530 |
12 | 327160a815878 |
13 | 13001209ac837 |
14 | 711c8b6c30cc |
15 | 34adb100933b |
hex | 1a1489a8779c |
28675511187356 has 48 divisors (see below), whose sum is σ = 57163819184640. Its totient is φ = 12458996742720.
The previous prime is 28675511187353. The next prime is 28675511187397. The reversal of 28675511187356 is 65378111557682.
It is a super-2 number, since 2×286755111873562 (a number of 28 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 28675511187292 and 28675511187301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28675511187353) 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, 8326751 + ... + 11255478.
It is an arithmetic number, because the mean of its divisors is an integer number (1190912899680).
Almost surely, 228675511187356 is an apocalyptic number.
It is an amenable number.
28675511187356 is a deficient number, since it is larger than the sum of its proper divisors (28488307997284).
28675511187356 is a wasteful number, since it uses less digits than its factorization.
28675511187356 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19583714 (or 19583712 counting only the distinct ones).
The product of its digits is 84672000, while the sum is 65.
The spelling of 28675511187356 in words is "twenty-eight trillion, six hundred seventy-five billion, five hundred eleven million, one hundred eighty-seven thousand, three hundred fifty-six".
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