Base | Representation |
---|---|
bin | 10011001001011111… |
… | …001011100000111110 |
3 | 1222001212202120220202 |
4 | 103021133023200332 |
5 | 314101411410410 |
6 | 13240101443502 |
7 | 1325334232253 |
oct | 231137134076 |
9 | 58055676822 |
10 | 20560263230 |
11 | 87a0807091 |
12 | 3b99710592 |
13 | 1c2879c740 |
14 | dd088742a |
15 | 805039ca5 |
hex | 4c97cb83e |
20560263230 has 64 divisors (see below), whose sum is σ = 41086096128. Its totient is φ = 7358584320.
The previous prime is 20560263211. The next prime is 20560263239. The reversal of 20560263230 is 3236206502.
It is a junction number, because it is equal to n+sod(n) for n = 20560263193 and 20560263202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20560263239) 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 31 ways as a sum of consecutive naturals, for example, 1295624 + ... + 1311396.
It is an arithmetic number, because the mean of its divisors is an integer number (641970252).
Almost surely, 220560263230 is an apocalyptic number.
20560263230 is a deficient number, since it is larger than the sum of its proper divisors (20525832898).
20560263230 is a wasteful number, since it uses less digits than its factorization.
20560263230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16101.
The product of its (nonzero) digits is 12960, while the sum is 29.
Adding to 20560263230 its reverse (3236206502), we get a palindrome (23796469732).
The spelling of 20560263230 in words is "twenty billion, five hundred sixty million, two hundred sixty-three thousand, two hundred thirty".
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