Base | Representation |
---|---|
bin | 10010111010000110… |
… | …101111110100100111 |
3 | 1221101220011121212011 |
4 | 102322012233310213 |
5 | 313034330400403 |
6 | 13154322335051 |
7 | 1316051565523 |
oct | 227206576447 |
9 | 57356147764 |
10 | 20302200103 |
11 | 8679076479 |
12 | 3b271ba487 |
13 | 1bb7195c73 |
14 | da84acd83 |
15 | 7dc561a6d |
hex | 4ba1afd27 |
20302200103 has 2 divisors, whose sum is σ = 20302200104. Its totient is φ = 20302200102.
The previous prime is 20302200101. The next prime is 20302200161. The reversal of 20302200103 is 30100220302.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20302200103 - 21 = 20302200101 is a prime.
Together with 20302200101, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20302200101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151100051 + 10151100052.
It is an arithmetic number, because the mean of its divisors is an integer number (10151100052).
Almost surely, 220302200103 is an apocalyptic number.
20302200103 is a deficient number, since it is larger than the sum of its proper divisors (1).
20302200103 is an equidigital number, since it uses as much as digits as its factorization.
20302200103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20302200103 its reverse (30100220302), we get a palindrome (50402420405).
The spelling of 20302200103 in words is "twenty billion, three hundred two million, two hundred thousand, one hundred three".
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