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20313084293 is a prime number
BaseRepresentation
bin10010111010110000…
…010001000110000101
31221102122122121011022
4102322300101012011
5313100122144133
613155351520525
71316243240045
oct227260210605
957378577138
1020313084293
11868422a977
123b2a989145
131bb9507108
14da9b03725
157dd4b1998
hex4bac11185

20313084293 has 2 divisors, whose sum is σ = 20313084294. Its totient is φ = 20313084292.

The previous prime is 20313084257. The next prime is 20313084313. The reversal of 20313084293 is 39248031302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16995554689 + 3317529604 = 130367^2 + 57598^2 .

It is a cyclic number.

It is not a de Polignac number, because 20313084293 - 26 = 20313084229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313084203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156542146 + 10156542147.

It is an arithmetic number, because the mean of its divisors is an integer number (10156542147).

Almost surely, 220313084293 is an apocalyptic number.

It is an amenable number.

20313084293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313084293 is an equidigital number, since it uses as much as digits as its factorization.

20313084293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 20313084293 in words is "twenty billion, three hundred thirteen million, eighty-four thousand, two hundred ninety-three".