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9812892049 is a prime number
BaseRepresentation
bin10010010001110010…
…01101100110010001
3221022212200120021021
421020321031212101
5130044100021144
64301420155441
7465113130502
oct111071154621
927285616237
109812892049
114186138044
121a9a398b81
13c04cc81cc
14691378ba9
153c674d884
hex248e4d991

9812892049 has 2 divisors, whose sum is σ = 9812892050. Its totient is φ = 9812892048.

The previous prime is 9812891969. The next prime is 9812892059. The reversal of 9812892049 is 9402982189.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9658958400 + 153933649 = 98280^2 + 12407^2 .

It is a cyclic number.

It is not a de Polignac number, because 9812892049 - 211 = 9812890001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9812891987 and 9812892005.

It is not a weakly prime, because it can be changed into another prime (9812892059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4906446024 + 4906446025.

It is an arithmetic number, because the mean of its divisors is an integer number (4906446025).

Almost surely, 29812892049 is an apocalyptic number.

It is an amenable number.

9812892049 is a deficient number, since it is larger than the sum of its proper divisors (1).

9812892049 is an equidigital number, since it uses as much as digits as its factorization.

9812892049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 9812892049 is about 99060.0426458620. The cubic root of 9812892049 is about 2140.9129398078.

The spelling of 9812892049 in words is "nine billion, eight hundred twelve million, eight hundred ninety-two thousand, forty-nine".