Search a number
-
+
12525887267 is a prime number
BaseRepresentation
bin10111010101001100…
…11101111100100011
31012022221200000001122
423222212131330203
5201123111343032
65430533122455
7622255166525
oct135246357443
935287600048
1012525887267
11534859a553
122516a8942b
1312480b191a
1486b7d1a15
154d49ee012
hex2ea99df23

12525887267 has 2 divisors, whose sum is σ = 12525887268. Its totient is φ = 12525887266.

The previous prime is 12525887221. The next prime is 12525887279. The reversal of 12525887267 is 76278852521.

It is a strong prime.

It is an emirp because it is prime and its reverse (76278852521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12525887267 is a prime.

It is not a weakly prime, because it can be changed into another prime (12525887567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262943633 + 6262943634.

It is an arithmetic number, because the mean of its divisors is an integer number (6262943634).

Almost surely, 212525887267 is an apocalyptic number.

12525887267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525887267 is an equidigital number, since it uses as much as digits as its factorization.

12525887267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3763200, while the sum is 53.

The spelling of 12525887267 in words is "twelve billion, five hundred twenty-five million, eight hundred eighty-seven thousand, two hundred sixty-seven".