Base | Representation |
---|---|
bin | 10010111011010010… |
… | …010110111010010101 |
3 | 1221110021110122000221 |
4 | 102323102112322111 |
5 | 313104414133023 |
6 | 13200311234341 |
7 | 1316412220450 |
oct | 227322267225 |
9 | 57407418027 |
10 | 20322021013 |
11 | 8689284198 |
12 | 3b319789b1 |
13 | 1bbb315a08 |
14 | daad8c497 |
15 | 7de17985d |
hex | 4bb496e95 |
20322021013 has 8 divisors (see below), whose sum is σ = 24234956928. Its totient is φ = 16661532624.
The previous prime is 20322021011. The next prime is 20322021019. The reversal of 20322021013 is 31012022302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20322021013 - 21 = 20322021011 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20322021011) 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 7 ways as a sum of consecutive naturals, for example, 63111706 + ... + 63112027.
It is an arithmetic number, because the mean of its divisors is an integer number (3029369616).
Almost surely, 220322021013 is an apocalyptic number.
20322021013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
20322021013 is a deficient number, since it is larger than the sum of its proper divisors (3912935915).
20322021013 is a wasteful number, since it uses less digits than its factorization.
20322021013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 126223763.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20322021013 its reverse (31012022302), we get a palindrome (51334043315).
The spelling of 20322021013 in words is "twenty billion, three hundred twenty-two million, twenty-one thousand, thirteen".
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