Base | Representation |
---|---|
bin | 10010111011110001… |
… | …101011000111101101 |
3 | 1221110211220200222212 |
4 | 102323301223013231 |
5 | 313114014332003 |
6 | 13201203220205 |
7 | 1316542051214 |
oct | 227361530755 |
9 | 57424820885 |
10 | 20330230253 |
11 | 8692980993 |
12 | 3b34677665 |
13 | 1bbcc2b458 |
14 | dac0c807b |
15 | 7dec4bdd8 |
hex | 4bbc6b1ed |
20330230253 has 2 divisors, whose sum is σ = 20330230254. Its totient is φ = 20330230252.
The previous prime is 20330230247. The next prime is 20330230259. The reversal of 20330230253 is 35203203302.
It is a balanced prime because it is at equal distance from previous prime (20330230247) and next prime (20330230259).
It can be written as a sum of positive squares in only one way, i.e., 20244167524 + 86062729 = 142282^2 + 9277^2 .
It is a cyclic number.
It is not a de Polignac number, because 20330230253 - 24 = 20330230237 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20330230259) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165115126 + 10165115127.
It is an arithmetic number, because the mean of its divisors is an integer number (10165115127).
Almost surely, 220330230253 is an apocalyptic number.
It is an amenable number.
20330230253 is a deficient number, since it is larger than the sum of its proper divisors (1).
20330230253 is an equidigital number, since it uses as much as digits as its factorization.
20330230253 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3240, while the sum is 23.
Adding to 20330230253 its reverse (35203203302), we get a palindrome (55533433555).
The spelling of 20330230253 in words is "twenty billion, three hundred thirty million, two hundred thirty thousand, two hundred fifty-three".
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