Base | Representation |
---|---|
bin | 10010111010000110… |
… | …000111010101110101 |
3 | 1221101212212012102001 |
4 | 102322012013111311 |
5 | 313034310044133 |
6 | 13154315015301 |
7 | 1316050305232 |
oct | 227206072565 |
9 | 57355765361 |
10 | 20302034293 |
11 | 8678a72942 |
12 | 3b2713a531 |
13 | 1bb7138658 |
14 | da8468789 |
15 | 7dc52c87d |
hex | 4ba187575 |
20302034293 has 2 divisors, whose sum is σ = 20302034294. Its totient is φ = 20302034292.
The previous prime is 20302034267. The next prime is 20302034317. The reversal of 20302034293 is 39243020302.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13994180209 + 6307854084 = 118297^2 + 79422^2 .
It is a cyclic number.
It is not a de Polignac number, because 20302034293 - 217 = 20301903221 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20302034393) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151017146 + 10151017147.
It is an arithmetic number, because the mean of its divisors is an integer number (10151017147).
Almost surely, 220302034293 is an apocalyptic number.
It is an amenable number.
20302034293 is a deficient number, since it is larger than the sum of its proper divisors (1).
20302034293 is an equidigital number, since it uses as much as digits as its factorization.
20302034293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7776, while the sum is 28.
Adding to 20302034293 its reverse (39243020302), we get a palindrome (59545054595).
The spelling of 20302034293 in words is "twenty billion, three hundred two million, thirty-four thousand, two hundred ninety-three".
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