Base | Representation |
---|---|
bin | 11100011110010101… |
… | …100001101000101101 |
3 | 2220220201212102110022 |
4 | 130132111201220231 |
5 | 1000103333332344 |
6 | 22013445051525 |
7 | 2131434264041 |
oct | 343625415055 |
9 | 86821772408 |
10 | 30573730349 |
11 | 11a6a08a148 |
12 | 5b130b6ba5 |
13 | 2b631c3906 |
14 | 16a0714021 |
15 | bde1a80ee |
hex | 71e561a2d |
30573730349 has 2 divisors, whose sum is σ = 30573730350. Its totient is φ = 30573730348.
The previous prime is 30573730331. The next prime is 30573730367. The reversal of 30573730349 is 94303737503.
It is a balanced prime because it is at equal distance from previous prime (30573730331) and next prime (30573730367).
It can be written as a sum of positive squares in only one way, i.e., 24122749225 + 6450981124 = 155315^2 + 80318^2 .
It is an emirp because it is prime and its reverse (94303737503) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30573730349 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30573730309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15286865174 + 15286865175.
It is an arithmetic number, because the mean of its divisors is an integer number (15286865175).
Almost surely, 230573730349 is an apocalyptic number.
It is an amenable number.
30573730349 is a deficient number, since it is larger than the sum of its proper divisors (1).
30573730349 is an equidigital number, since it uses as much as digits as its factorization.
30573730349 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 714420, while the sum is 44.
The spelling of 30573730349 in words is "thirty billion, five hundred seventy-three million, seven hundred thirty thousand, three hundred forty-nine".
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