Base | Representation |
---|---|
bin | 11100001100011001… |
… | …010011010010001101 |
3 | 2220010202111000221121 |
4 | 130030121103102031 |
5 | 443444304332003 |
6 | 21523533400541 |
7 | 2121120650533 |
oct | 341431232215 |
9 | 86122430847 |
10 | 30272730253 |
11 | 11925192337 |
12 | 5a4a339151 |
13 | 2b15a3584c |
14 | 1672760153 |
15 | bc2a4ccbd |
hex | 70c65348d |
30272730253 has 2 divisors, whose sum is σ = 30272730254. Its totient is φ = 30272730252.
The previous prime is 30272730251. The next prime is 30272730289. The reversal of 30272730253 is 35203727203.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 15216949449 + 15055780804 = 123357^2 + 122702^2 .
It is an emirp because it is prime and its reverse (35203727203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30272730253 - 21 = 30272730251 is a prime.
Together with 30272730251, 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 (30272730251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15136365126 + 15136365127.
It is an arithmetic number, because the mean of its divisors is an integer number (15136365127).
Almost surely, 230272730253 is an apocalyptic number.
It is an amenable number.
30272730253 is a deficient number, since it is larger than the sum of its proper divisors (1).
30272730253 is an equidigital number, since it uses as much as digits as its factorization.
30272730253 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 52920, while the sum is 34.
The spelling of 30272730253 in words is "thirty billion, two hundred seventy-two million, seven hundred thirty thousand, two hundred fifty-three".
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