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10021201243 is a prime number
BaseRepresentation
bin10010101010100111…
…10110010101011011
3221212101122202202121
421111103312111123
5131010411414433
64334221042111
7503222543104
oct112523662533
927771582677
1010021201243
1142827858a9
121b380b6337
13c392015a1
146b0cc13ab
153d9b99c2d
hex2554f655b

10021201243 has 2 divisors, whose sum is σ = 10021201244. Its totient is φ = 10021201242.

The previous prime is 10021201237. The next prime is 10021201277. The reversal of 10021201243 is 34210212001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10021201243 - 213 = 10021193051 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021201843) 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, 5010600621 + 5010600622.

It is an arithmetic number, because the mean of its divisors is an integer number (5010600622).

Almost surely, 210021201243 is an apocalyptic number.

10021201243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021201243 is an equidigital number, since it uses as much as digits as its factorization.

10021201243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10021201243 its reverse (34210212001), we get a palindrome (44231413244).

The spelling of 10021201243 in words is "ten billion, twenty-one million, two hundred one thousand, two hundred forty-three".