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12550147873 is a prime number
BaseRepresentation
bin10111011000000110…
…00000111100100001
31012101122022120100121
423230003000330201
5201200314212443
65433201120241
7623001332254
oct135403007441
935348276317
1012550147873
11536025a93a
122523029081
131250127403
14870b0909b
154d6be24ed
hex2ec0c0f21

12550147873 has 2 divisors, whose sum is σ = 12550147874. Its totient is φ = 12550147872.

The previous prime is 12550147871. The next prime is 12550147877. The reversal of 12550147873 is 37874105521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10826818704 + 1723329169 = 104052^2 + 41513^2 .

It is a cyclic number.

It is not a de Polignac number, because 12550147873 - 21 = 12550147871 is a prime.

Together with 12550147871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12550147871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275073936 + 6275073937.

It is an arithmetic number, because the mean of its divisors is an integer number (6275073937).

Almost surely, 212550147873 is an apocalyptic number.

It is an amenable number.

12550147873 is a deficient number, since it is larger than the sum of its proper divisors (1).

12550147873 is an equidigital number, since it uses as much as digits as its factorization.

12550147873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 12550147873 in words is "twelve billion, five hundred fifty million, one hundred forty-seven thousand, eight hundred seventy-three".