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52905286121 is a prime number
BaseRepresentation
bin110001010001011001…
…101001100111101001
312001120001121222221112
4301101121221213221
51331322223123441
640145423520105
73552020340452
oct612131514751
9161501558845
1052905286121
1120489722566
12a305a59035
134cb194183c
1427bc520129
15159997a4eb
hexc516699e9

52905286121 has 2 divisors, whose sum is σ = 52905286122. Its totient is φ = 52905286120.

The previous prime is 52905286103. The next prime is 52905286129. The reversal of 52905286121 is 12168250925.

52905286121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37420968025 + 15484318096 = 193445^2 + 124436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52905286121 is a prime.

It is not a weakly prime, because it can be changed into another prime (52905286129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26452643060 + 26452643061.

It is an arithmetic number, because the mean of its divisors is an integer number (26452643061).

Almost surely, 252905286121 is an apocalyptic number.

It is an amenable number.

52905286121 is a deficient number, since it is larger than the sum of its proper divisors (1).

52905286121 is an equidigital number, since it uses as much as digits as its factorization.

52905286121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 52905286121 in words is "fifty-two billion, nine hundred five million, two hundred eighty-six thousand, one hundred twenty-one".