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12422025305 = 512791942459
BaseRepresentation
bin10111001000110100…
…10001000001011001
31012001201020021020022
423210122101001121
5200420014302210
65412343040225
7616554321134
oct134432210131
935051207208
1012422025305
1152a4a00518
1224a8140075
13122c718341
1485bab721b
154ca835155
hex2e4691059

12422025305 has 8 divisors (see below), whose sum is σ = 14918092800. Its totient is φ = 9929845296.

The previous prime is 12422025269. The next prime is 12422025323. The reversal of 12422025305 is 50352022421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12422025305 - 218 = 12421763161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964835 + ... + 977624.

It is an arithmetic number, because the mean of its divisors is an integer number (1864761600).

Almost surely, 212422025305 is an apocalyptic number.

It is an amenable number.

12422025305 is a deficient number, since it is larger than the sum of its proper divisors (2496067495).

12422025305 is a wasteful number, since it uses less digits than its factorization.

12422025305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943743.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 12422025305 its reverse (50352022421), we get a palindrome (62774047726).

The spelling of 12422025305 in words is "twelve billion, four hundred twenty-two million, twenty-five thousand, three hundred five".

Divisors: 1 5 1279 6395 1942459 9712295 2484405061 12422025305