Base | Representation |
---|---|
bin | 111111111111011… |
… | …1100010011101011 |
3 | 12112122100101102012 |
4 | 1333332330103223 |
5 | 13344141101004 |
6 | 553022030135 |
7 | 104131644623 |
oct | 17776742353 |
9 | 5478311365 |
10 | 2147206379 |
11 | a02050a2a |
12 | 4bb11834b |
13 | 282b08826 |
14 | 165257883 |
15 | c878e46e |
hex | 7ffbc4eb |
2147206379 has 2 divisors, whose sum is σ = 2147206380. Its totient is φ = 2147206378.
The previous prime is 2147206361. The next prime is 2147206387. The reversal of 2147206379 is 9736027412.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2147206379 - 216 = 2147140843 is a prime.
It is a super-2 number, since 2×21472063792 = 9220990468036583282, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2147206319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073603189 + 1073603190.
It is an arithmetic number, because the mean of its divisors is an integer number (1073603190).
Almost surely, 22147206379 is an apocalyptic number.
2147206379 is a deficient number, since it is larger than the sum of its proper divisors (1).
2147206379 is an equidigital number, since it uses as much as digits as its factorization.
2147206379 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 127008, while the sum is 41.
The square root of 2147206379 is about 46337.9582955486. The cubic root of 2147206379 is about 1290.1036270738.
The spelling of 2147206379 in words is "two billion, one hundred forty-seven million, two hundred six thousand, three hundred seventy-nine".
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