Base | Representation |
---|---|
bin | 11100001111111111… |
… | …111110111000110101 |
3 | 2220021222021022112221 |
4 | 130033333332320311 |
5 | 444110244430343 |
6 | 21533533442341 |
7 | 2122453651114 |
oct | 341777767065 |
9 | 86258238487 |
10 | 30333201973 |
11 | 11956335668 |
12 | 5a666403b1 |
13 | 2b25419429 |
14 | 167a7c1c7b |
15 | bc7ee55ed |
hex | 70fffee35 |
30333201973 has 2 divisors, whose sum is σ = 30333201974. Its totient is φ = 30333201972.
The previous prime is 30333201971. The next prime is 30333201979. The reversal of 30333201973 is 37910233303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29384130724 + 949071249 = 171418^2 + 30807^2 .
It is a cyclic number.
It is not a de Polignac number, because 30333201973 - 21 = 30333201971 is a prime.
It is a super-2 number, since 2×303332019732 (a number of 22 digits) contains 22 as substring.
Together with 30333201971, 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 (30333201971) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15166600986 + 15166600987.
It is an arithmetic number, because the mean of its divisors is an integer number (15166600987).
Almost surely, 230333201973 is an apocalyptic number.
It is an amenable number.
30333201973 is a deficient number, since it is larger than the sum of its proper divisors (1).
30333201973 is an equidigital number, since it uses as much as digits as its factorization.
30333201973 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 30618, while the sum is 34.
The spelling of 30333201973 in words is "thirty billion, three hundred thirty-three million, two hundred one thousand, nine hundred seventy-three".
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