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212840083 is a prime number
BaseRepresentation
bin11001010111110…
…10111010010011
3112211111101201001
430223322322103
5413441340313
633041522431
75163053011
oct1453727223
9484441631
10212840083
11aa1629a5
125b343417
13351317a1
14203a58b1
1513a43add
hexcafae93

212840083 has 2 divisors, whose sum is σ = 212840084. Its totient is φ = 212840082.

The previous prime is 212840059. The next prime is 212840107. The reversal of 212840083 is 380048212.

It is a balanced prime because it is at equal distance from previous prime (212840059) and next prime (212840107).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212840083 is a prime.

It is not a weakly prime, because it can be changed into another prime (212840053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106420041 + 106420042.

It is an arithmetic number, because the mean of its divisors is an integer number (106420042).

Almost surely, 2212840083 is an apocalyptic number.

212840083 is a deficient number, since it is larger than the sum of its proper divisors (1).

212840083 is an equidigital number, since it uses as much as digits as its factorization.

212840083 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 28.

The square root of 212840083 is about 14589.0398244710. The cubic root of 212840083 is about 597.0597661697.

Adding to 212840083 its reverse (380048212), we get a palindrome (592888295).

The spelling of 212840083 in words is "two hundred twelve million, eight hundred forty thousand, eighty-three".