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10213232191 is a prime number
BaseRepresentation
bin10011000001100000…
…11000111000111111
3222100202222221200221
421200300120320333
5131404041412231
64405241002211
7511044020101
oct114060307077
928322887627
1010213232191
114371115568
121b90483367
13c69c28576
146cc5cb571
153eb97cd11
hex260c18e3f

10213232191 has 2 divisors, whose sum is σ = 10213232192. Its totient is φ = 10213232190.

The previous prime is 10213232189. The next prime is 10213232201. The reversal of 10213232191 is 19123231201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10213232191 - 21 = 10213232189 is a prime.

It is a super-2 number, since 2×102132321912 (a number of 21 digits) contains 22 as substring.

Together with 10213232189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10213232791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106616095 + 5106616096.

It is an arithmetic number, because the mean of its divisors is an integer number (5106616096).

Almost surely, 210213232191 is an apocalyptic number.

10213232191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10213232191 is an equidigital number, since it uses as much as digits as its factorization.

10213232191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 10213232191 its reverse (19123231201), we get a palindrome (29336463392).

The spelling of 10213232191 in words is "ten billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred ninety-one".