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2021010799 is a prime number
BaseRepresentation
bin111100001110110…
…0010110101101111
312012211212222121211
41320131202311233
513114334321144
6532313135251
7101040210523
oct17035426557
95184788554
102021010799
11947898365
124849ba527
132629228a2
141525a7d83
15bc663034
hex78762d6f

2021010799 has 2 divisors, whose sum is σ = 2021010800. Its totient is φ = 2021010798.

The previous prime is 2021010773. The next prime is 2021010809. The reversal of 2021010799 is 9970101202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2021010799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021010799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021010769) 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, 1010505399 + 1010505400.

It is an arithmetic number, because the mean of its divisors is an integer number (1010505400).

Almost surely, 22021010799 is an apocalyptic number.

2021010799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021010799 is an equidigital number, since it uses as much as digits as its factorization.

2021010799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 2021010799 is about 44955.6536933899. The cubic root of 2021010799 is about 1264.3176808511.

The spelling of 2021010799 in words is "two billion, twenty-one million, ten thousand, seven hundred ninety-nine".