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12305550253 is a prime number
BaseRepresentation
bin10110111010111011…
…11100101110101101
31011202121001201111111
423131131330232231
5200200210102003
65353022352021
7613641310543
oct133535745655
934677051444
1012305550253
115245187047
12247512b611
1312115569a9
1484a437d93
154c04c8e6d
hex2dd77cbad

12305550253 has 2 divisors, whose sum is σ = 12305550254. Its totient is φ = 12305550252.

The previous prime is 12305550221. The next prime is 12305550277. The reversal of 12305550253 is 35205550321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12295039689 + 10510564 = 110883^2 + 3242^2 .

It is a cyclic number.

It is not a de Polignac number, because 12305550253 - 25 = 12305550221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12305550053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152775126 + 6152775127.

It is an arithmetic number, because the mean of its divisors is an integer number (6152775127).

Almost surely, 212305550253 is an apocalyptic number.

It is an amenable number.

12305550253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12305550253 is an equidigital number, since it uses as much as digits as its factorization.

12305550253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 12305550253 in words is "twelve billion, three hundred five million, five hundred fifty thousand, two hundred fifty-three".