Base | Representation |
---|---|
bin | 11100001000110010… |
… | …111101111110010111 |
3 | 2212222112212101121021 |
4 | 130020302331332113 |
5 | 443333330143342 |
6 | 21513535302011 |
7 | 2116455510421 |
oct | 341062757627 |
9 | 85875771537 |
10 | 30212349847 |
11 | 118a40a1679 |
12 | 5a3207a907 |
13 | 2b063846b4 |
14 | 1668723811 |
15 | bbc5c2567 |
hex | 708cbdf97 |
30212349847 has 2 divisors, whose sum is σ = 30212349848. Its totient is φ = 30212349846.
The previous prime is 30212349829. The next prime is 30212349851. The reversal of 30212349847 is 74894321203.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30212349847 - 27 = 30212349719 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30212349047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106174923 + 15106174924.
It is an arithmetic number, because the mean of its divisors is an integer number (15106174924).
Almost surely, 230212349847 is an apocalyptic number.
30212349847 is a deficient number, since it is larger than the sum of its proper divisors (1).
30212349847 is an equidigital number, since it uses as much as digits as its factorization.
30212349847 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 290304, while the sum is 43.
It can be divided in two parts, 3021234 and 9847, that added together give a square (3031081 = 17412).
The spelling of 30212349847 in words is "thirty billion, two hundred twelve million, three hundred forty-nine thousand, eight hundred forty-seven".
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