Base | Representation |
---|---|
bin | 1001000001000100… |
… | …1101110011010001 |
3 | 20020200110200121122 |
4 | 2100101031303101 |
5 | 14424112311311 |
6 | 1040102132025 |
7 | 113660222204 |
oct | 22021156321 |
9 | 6220420548 |
10 | 2420432081 |
11 | 10322a84a1 |
12 | 576721015 |
13 | 2c75c0942 |
14 | 18d65b93b |
15 | e27600db |
hex | 9044dcd1 |
2420432081 has 2 divisors, whose sum is σ = 2420432082. Its totient is φ = 2420432080.
The previous prime is 2420432051. The next prime is 2420432087. The reversal of 2420432081 is 1802340242.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1473331456 + 947100625 = 38384^2 + 30775^2 .
It is a cyclic number.
It is not a de Polignac number, because 2420432081 - 222 = 2416237777 is a prime.
It is a super-2 number, since 2×24204320812 = 11716982917467981122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2420432081.
It is not a weakly prime, because it can be changed into another prime (2420432087) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210216040 + 1210216041.
It is an arithmetic number, because the mean of its divisors is an integer number (1210216041).
Almost surely, 22420432081 is an apocalyptic number.
It is an amenable number.
2420432081 is a deficient number, since it is larger than the sum of its proper divisors (1).
2420432081 is an equidigital number, since it uses as much as digits as its factorization.
2420432081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3072, while the sum is 26.
The square root of 2420432081 is about 49197.8869566570. The cubic root of 2420432081 is about 1342.6545878833.
The spelling of 2420432081 in words is "two billion, four hundred twenty million, four hundred thirty-two thousand, eighty-one".
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