Base | Representation |
---|---|
bin | 10011001011111110… |
… | …101001110101000000 |
3 | 1222011210102111200020 |
4 | 103023332221311000 |
5 | 314143112141123 |
6 | 13244153453440 |
7 | 1326352456014 |
oct | 231376516500 |
9 | 58153374606 |
10 | 20602068288 |
11 | 881236a91a |
12 | 3bab711280 |
13 | 1c34348a69 |
14 | dd624a544 |
15 | 808a467e3 |
hex | 4cbfa9d40 |
20602068288 has 56 divisors (see below), whose sum is σ = 56268030720. Its totient is φ = 6645826560.
The previous prime is 20602068287. The next prime is 20602068317. The reversal of 20602068288 is 88286020602.
It is a super-3 number, since 3×206020682883 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20602068287) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1724733 + ... + 1736636.
Almost surely, 220602068288 is an apocalyptic number.
It is an amenable number.
20602068288 is an abundant number, since it is smaller than the sum of its proper divisors (35665962432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20602068288 is a wasteful number, since it uses less digits than its factorization.
20602068288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3461415 (or 3461405 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 42.
The spelling of 20602068288 in words is "twenty billion, six hundred two million, sixty-eight thousand, two hundred eighty-eight".
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