Base | Representation |
---|---|
bin | 11100101011011010… |
… | …000011011110111101 |
3 | 2221111000111120012002 |
4 | 130223122003132331 |
5 | 1001031003140443 |
6 | 22051321152045 |
7 | 2140036235342 |
oct | 345332033675 |
9 | 87430446162 |
10 | 30793021373 |
11 | 120719487a4 |
12 | 5b7462b625 |
13 | 2b9977370a |
14 | 16c18b87c9 |
15 | c035732b8 |
hex | 72b6837bd |
30793021373 has 2 divisors, whose sum is σ = 30793021374. Its totient is φ = 30793021372.
The previous prime is 30793021351. The next prime is 30793021381. The reversal of 30793021373 is 37312039703.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28406405764 + 2386615609 = 168542^2 + 48853^2 .
It is a cyclic number.
It is not a de Polignac number, because 30793021373 - 218 = 30792759229 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30793024373) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15396510686 + 15396510687.
It is an arithmetic number, because the mean of its divisors is an integer number (15396510687).
Almost surely, 230793021373 is an apocalyptic number.
It is an amenable number.
30793021373 is a deficient number, since it is larger than the sum of its proper divisors (1).
30793021373 is an equidigital number, since it uses as much as digits as its factorization.
30793021373 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 71442, while the sum is 38.
The spelling of 30793021373 in words is "thirty billion, seven hundred ninety-three million, twenty-one thousand, three hundred seventy-three".
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