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2021423359 is a prime number
BaseRepresentation
bin111100001111100…
…0111100011111111
312012212122221112211
41320133013203333
513114441021414
6532330041251
7101043546364
oct17037074377
95185587484
102021423359
1194804a31a
12484b79227
13262a385c7
1415267446b
15bc6e53c4
hex787c78ff

2021423359 has 2 divisors, whose sum is σ = 2021423360. Its totient is φ = 2021423358.

The previous prime is 2021423317. The next prime is 2021423389. The reversal of 2021423359 is 9533241202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021423359 - 29 = 2021422847 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2021423359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021423309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010711679 + 1010711680.

It is an arithmetic number, because the mean of its divisors is an integer number (1010711680).

Almost surely, 22021423359 is an apocalyptic number.

2021423359 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021423359 is an equidigital number, since it uses as much as digits as its factorization.

2021423359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2021423359 is about 44960.2419811104. The cubic root of 2021423359 is about 1264.4037056946.

The spelling of 2021423359 in words is "two billion, twenty-one million, four hundred twenty-three thousand, three hundred fifty-nine".