Base | Representation |
---|---|
bin | 1000010011101100… |
… | …1111010111011011 |
3 | 12202102100221012011 |
4 | 2010323033113123 |
5 | 14031402400242 |
6 | 1005143130351 |
7 | 106156503154 |
oct | 20473172733 |
9 | 5672327164 |
10 | 2230121947 |
11 | a44933699 |
12 | 522a439b7 |
13 | 297049cb1 |
14 | 17227c92b |
15 | d0bbbd17 |
hex | 84ecf5db |
2230121947 has 2 divisors, whose sum is σ = 2230121948. Its totient is φ = 2230121946.
The previous prime is 2230121939. The next prime is 2230121951. The reversal of 2230121947 is 7491210322.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2230121947 - 23 = 2230121939 is a prime.
It is not a weakly prime, because it can be changed into another prime (2230121347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115060973 + 1115060974.
It is an arithmetic number, because the mean of its divisors is an integer number (1115060974).
Almost surely, 22230121947 is an apocalyptic number.
2230121947 is a deficient number, since it is larger than the sum of its proper divisors (1).
2230121947 is an equidigital number, since it uses as much as digits as its factorization.
2230121947 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 2230121947 is about 47224.1669804773. The cubic root of 2230121947 is about 1306.5003705211.
The spelling of 2230121947 in words is "two billion, two hundred thirty million, one hundred twenty-one thousand, nine hundred forty-seven".
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