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51410553121 is a prime number
BaseRepresentation
bin101111111000010011…
…101100100100100001
311220200220000200202001
4233320103230210201
51320242100144441
635341230324001
73500000330344
oct577023544441
9156626020661
1051410553121
111a891a0a534
129b69359601
134b04074a45
1426b9bcc45b
15150d621731
hexbf84ec921

51410553121 has 2 divisors, whose sum is σ = 51410553122. Its totient is φ = 51410553120.

The previous prime is 51410553119. The next prime is 51410553149. The reversal of 51410553121 is 12135501415.

51410553121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (51410553149) can be obtained adding 51410553121 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38269140625 + 13141412496 = 195625^2 + 114636^2 .

It is a cyclic number.

It is not a de Polignac number, because 51410553121 - 21 = 51410553119 is a prime.

Together with 51410553119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51410553121.

It is not a weakly prime, because it can be changed into another prime (51410553521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25705276560 + 25705276561.

It is an arithmetic number, because the mean of its divisors is an integer number (25705276561).

Almost surely, 251410553121 is an apocalyptic number.

It is an amenable number.

51410553121 is a deficient number, since it is larger than the sum of its proper divisors (1).

51410553121 is an equidigital number, since it uses as much as digits as its factorization.

51410553121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 51410553121 in words is "fifty-one billion, four hundred ten million, five hundred fifty-three thousand, one hundred twenty-one".