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101231293 is a prime number
BaseRepresentation
bin1100000100010…
…10101010111101
321001111002020011
412002022222331
5201403400133
614013423221
72336310652
oct602125275
9231432204
10101231293
1152162629
1229a9ab11
1317c85097
14d631c29
158d496cd
hex608aabd

101231293 has 2 divisors, whose sum is σ = 101231294. Its totient is φ = 101231292.

The previous prime is 101231287. The next prime is 101231321. The reversal of 101231293 is 392132101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86806489 + 14424804 = 9317^2 + 3798^2 .

It is a cyclic number.

It is not a de Polignac number, because 101231293 - 25 = 101231261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101231693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50615646 + 50615647.

It is an arithmetic number, because the mean of its divisors is an integer number (50615647).

Almost surely, 2101231293 is an apocalyptic number.

It is an amenable number.

101231293 is a deficient number, since it is larger than the sum of its proper divisors (1).

101231293 is an equidigital number, since it uses as much as digits as its factorization.

101231293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 101231293 is about 10061.3762975052. The cubic root of 101231293 is about 466.0561694345.

Adding to 101231293 its reverse (392132101), we get a palindrome (493363394).

The spelling of 101231293 in words is "one hundred one million, two hundred thirty-one thousand, two hundred ninety-three".