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12723392293 is a prime number
BaseRepresentation
bin10111101100101111…
…11000111100100101
31012211201022022000121
423312113320330211
5202024142023133
65502310241541
7630204023113
oct136627707445
935751268017
1012723392293
11543a028a47
1225710562b1
131279ca43c1
14889b24ab3
154e701402d
hex2f65f8f25

12723392293 has 2 divisors, whose sum is σ = 12723392294. Its totient is φ = 12723392292.

The previous prime is 12723392267. The next prime is 12723392299. The reversal of 12723392293 is 39229332721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9444341124 + 3279051169 = 97182^2 + 57263^2 .

It is a cyclic number.

It is not a de Polignac number, because 12723392293 - 229 = 12186521381 is a prime.

It is a super-2 number, since 2×127233922932 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12723392299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6361696146 + 6361696147.

It is an arithmetic number, because the mean of its divisors is an integer number (6361696147).

Almost surely, 212723392293 is an apocalyptic number.

It is an amenable number.

12723392293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12723392293 is an equidigital number, since it uses as much as digits as its factorization.

12723392293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The spelling of 12723392293 in words is "twelve billion, seven hundred twenty-three million, three hundred ninety-two thousand, two hundred ninety-three".