Base | Representation |
---|---|
bin | 11010110110100100… |
… | …100000110011001010 |
3 | 2202102102001110020102 |
4 | 122312210200303022 |
5 | 433022201003433 |
6 | 21125015325402 |
7 | 2040334666556 |
oct | 326644406312 |
9 | 82372043212 |
10 | 28832828618 |
11 | 1125641a990 |
12 | 5708080862 |
13 | 2946626249 |
14 | 1577422866 |
15 | b3b4254e8 |
hex | 6b6920cca |
28832828618 has 32 divisors (see below), whose sum is σ = 47395886400. Its totient is φ = 13046232960.
The previous prime is 28832828617. The next prime is 28832828621. The reversal of 28832828618 is 81682823882.
It is a super-2 number, since 2×288328286182 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28832828617) 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, 10681433 + ... + 10684131.
It is an arithmetic number, because the mean of its divisors is an integer number (1481121450).
Almost surely, 228832828618 is an apocalyptic number.
28832828618 is a deficient number, since it is larger than the sum of its proper divisors (18563057782).
28832828618 is a wasteful number, since it uses less digits than its factorization.
28832828618 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4742.
The product of its digits is 4718592, while the sum is 56.
The spelling of 28832828618 in words is "twenty-eight billion, eight hundred thirty-two million, eight hundred twenty-eight thousand, six hundred eighteen".
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