Base | Representation |
---|---|
bin | 111001111000011… |
… | …1100000110111001 |
3 | 12000100121102210221 |
4 | 1303300330012321 |
5 | 12434201141303 |
6 | 520420140041 |
7 | 66062334526 |
oct | 16360740671 |
9 | 5010542727 |
10 | 1942208953 |
11 | 907365373 |
12 | 462537621 |
13 | 24c4c1989 |
14 | 145d3414d |
15 | b57994bd |
hex | 73c3c1b9 |
1942208953 has 2 divisors, whose sum is σ = 1942208954. Its totient is φ = 1942208952.
The previous prime is 1942208923. The next prime is 1942208963. The reversal of 1942208953 is 3598022491.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1303787664 + 638421289 = 36108^2 + 25267^2 .
It is a cyclic number.
It is not a de Polignac number, because 1942208953 - 29 = 1942208441 is a prime.
It is a super-2 number, since 2×19422089532 = 7544351234226712418, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1942208923) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971104476 + 971104477.
It is an arithmetic number, because the mean of its divisors is an integer number (971104477).
Almost surely, 21942208953 is an apocalyptic number.
It is an amenable number.
1942208953 is a deficient number, since it is larger than the sum of its proper divisors (1).
1942208953 is an equidigital number, since it uses as much as digits as its factorization.
1942208953 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 1942208953 is about 44070.4998042909. The cubic root of 1942208953 is about 1247.6668912990. Note that the first 3 decimals are identical.
The spelling of 1942208953 in words is "one billion, nine hundred forty-two million, two hundred eight thousand, nine hundred fifty-three".
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