Base | Representation |
---|---|
bin | 1011000100011000… |
… | …1111111100101111 |
3 | 21200001211212121022 |
4 | 2301012033330233 |
5 | 22041112033143 |
6 | 1210455124355 |
7 | 133425554324 |
oct | 26106177457 |
9 | 7601755538 |
10 | 2971205423 |
11 | 129519367a |
12 | 6ab0736bb |
13 | 384742124 |
14 | 20286cb4b |
15 | 125ca7268 |
hex | b118ff2f |
2971205423 has 2 divisors, whose sum is σ = 2971205424. Its totient is φ = 2971205422.
The previous prime is 2971205399. The next prime is 2971205431. The reversal of 2971205423 is 3245021792.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2971205423 - 228 = 2702769967 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2971205473) 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, 1485602711 + 1485602712.
It is an arithmetic number, because the mean of its divisors is an integer number (1485602712).
Almost surely, 22971205423 is an apocalyptic number.
2971205423 is a deficient number, since it is larger than the sum of its proper divisors (1).
2971205423 is an equidigital number, since it uses as much as digits as its factorization.
2971205423 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 30240, while the sum is 35.
The square root of 2971205423 is about 54508.7646438626. The cubic root of 2971205423 is about 1437.6203984148.
The spelling of 2971205423 in words is "two billion, nine hundred seventy-one million, two hundred five thousand, four hundred twenty-three".
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