Search a number
-
+
28860006317 is a prime number
BaseRepresentation
bin11010111000001100…
…001011111110101101
32202111022012020000212
4122320030023332231
5433101130200232
621131430032205
72041115002052
oct327014137655
982438166025
1028860006317
111126a7a299a
1257151a8665
13294c15071c
14157ac99029
15b3d9e2eb2
hex6b830bfad

28860006317 has 2 divisors, whose sum is σ = 28860006318. Its totient is φ = 28860006316.

The previous prime is 28860006257. The next prime is 28860006349. The reversal of 28860006317 is 71360006882.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20081440681 + 8778565636 = 141709^2 + 93694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28860006317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28860006367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14430003158 + 14430003159.

It is an arithmetic number, because the mean of its divisors is an integer number (14430003159).

Almost surely, 228860006317 is an apocalyptic number.

It is an amenable number.

28860006317 is a deficient number, since it is larger than the sum of its proper divisors (1).

28860006317 is an equidigital number, since it uses as much as digits as its factorization.

28860006317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 28860006317 in words is "twenty-eight billion, eight hundred sixty million, six thousand, three hundred seventeen".