Base | Representation |
---|---|
bin | 10010101000110001… |
… | …001000101101100101 |
3 | 1220122121211111101222 |
4 | 102220301020231211 |
5 | 311440344302323 |
6 | 13105412030125 |
7 | 1305620301161 |
oct | 225061105545 |
9 | 56577744358 |
10 | 20011322213 |
11 | 8539962623 |
12 | 3a65902345 |
13 | 1b6bb4027c |
14 | d7b9d1ca1 |
15 | 7c1c559c8 |
hex | 4a8c48b65 |
20011322213 has 8 divisors (see below), whose sum is σ = 20888951040. Its totient is φ = 19148199840.
The previous prime is 20011322209. The next prime is 20011322231. The reversal of 20011322213 is 31222311002.
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 20011322213 - 22 = 20011322209 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20011322191 and 20011322200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20011322113) 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, 3623795 + ... + 3629312.
It is an arithmetic number, because the mean of its divisors is an integer number (2611118880).
Almost surely, 220011322213 is an apocalyptic number.
It is an amenable number.
20011322213 is a deficient number, since it is larger than the sum of its proper divisors (877628827).
20011322213 is an equidigital number, since it uses as much as digits as its factorization.
20011322213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7253227.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 20011322213 its reverse (31222311002), we get a palindrome (51233633215).
The spelling of 20011322213 in words is "twenty billion, eleven million, three hundred twenty-two thousand, two hundred thirteen".
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