Search a number
-
+
10866305519 is a prime number
BaseRepresentation
bin10100001111010111…
…01010100111101111
31001001021212111212222
422013223222213233
5134223233234034
64554130345555
7533164034006
oct120753524757
931037774788
1010866305519
114676823193
12213312b2bb
1310423173a4
1475122bc3d
15438e8112e
hex287aea9ef

10866305519 has 2 divisors, whose sum is σ = 10866305520. Its totient is φ = 10866305518.

The previous prime is 10866305477. The next prime is 10866305537. The reversal of 10866305519 is 91550366801.

It is a strong prime.

It is an emirp because it is prime and its reverse (91550366801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10866305519 - 212 = 10866301423 is a prime.

It is a super-2 number, since 2×108663055192 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10866305519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10866305579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5433152759 + 5433152760.

It is an arithmetic number, because the mean of its divisors is an integer number (5433152760).

Almost surely, 210866305519 is an apocalyptic number.

10866305519 is a deficient number, since it is larger than the sum of its proper divisors (1).

10866305519 is an equidigital number, since it uses as much as digits as its factorization.

10866305519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 10866305519 in words is "ten billion, eight hundred sixty-six million, three hundred five thousand, five hundred nineteen".