Base | Representation |
---|---|
bin | 10010101000010101… |
… | …010000100010000101 |
3 | 1220122010002012201022 |
4 | 102220111100202011 |
5 | 311432011423323 |
6 | 13104551240525 |
7 | 1305501213101 |
oct | 225025204205 |
9 | 56563065638 |
10 | 20004014213 |
11 | 8535820a57 |
12 | 3a63379145 |
13 | 1b6a481b01 |
14 | d7aa4c901 |
15 | 7c12b04c8 |
hex | 4a8550885 |
20004014213 has 2 divisors, whose sum is σ = 20004014214. Its totient is φ = 20004014212.
The previous prime is 20004014203. The next prime is 20004014231. The reversal of 20004014213 is 31241040002.
Together with next prime (20004014231) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18878210404 + 1125803809 = 137398^2 + 33553^2 .
It is a cyclic number.
It is not a de Polignac number, because 20004014213 - 28 = 20004013957 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20004014191 and 20004014200.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20004014203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002007106 + 10002007107.
It is an arithmetic number, because the mean of its divisors is an integer number (10002007107).
Almost surely, 220004014213 is an apocalyptic number.
It is an amenable number.
20004014213 is a deficient number, since it is larger than the sum of its proper divisors (1).
20004014213 is an equidigital number, since it uses as much as digits as its factorization.
20004014213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 20004014213 its reverse (31241040002), we get a palindrome (51245054215).
The spelling of 20004014213 in words is "twenty billion, four million, fourteen thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •