Base | Representation |
---|---|
bin | 10101101011101101… |
… | …000101101010101010 |
3 | 2020002112211220121000 |
4 | 111223231011222222 |
5 | 340140121141112 |
6 | 14410122055430 |
7 | 1452642122142 |
oct | 255355055252 |
9 | 66075756530 |
10 | 23281818282 |
11 | 9967a85738 |
12 | 461904a576 |
13 | 2270592348 |
14 | 11ac0cb922 |
15 | 913e2b7dc |
hex | 56bb45aaa |
23281818282 has 32 divisors (see below), whose sum is σ = 51790124160. Its totient is φ = 7752693600.
The previous prime is 23281818239. The next prime is 23281818289. The reversal of 23281818282 is 28281818232.
It is not an unprimeable number, because it can be changed into a prime (23281818289) 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, 166219 + ... + 272382.
It is an arithmetic number, because the mean of its divisors is an integer number (1618441380).
Almost surely, 223281818282 is an apocalyptic number.
23281818282 is an abundant number, since it is smaller than the sum of its proper divisors (28508305878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23281818282 is a wasteful number, since it uses less digits than its factorization.
23281818282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439595 (or 439589 counting only the distinct ones).
The product of its digits is 196608, while the sum is 45.
The spelling of 23281818282 in words is "twenty-three billion, two hundred eighty-one million, eight hundred eighteen thousand, two hundred eighty-two".
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