Search a number
-
+
10208808391 is a prime number
BaseRepresentation
bin10011000000111111…
…00000110111000111
3222100110200012101111
421200133200313013
5131401423332031
64405002105451
7510661303525
oct114037406707
928313605344
1010208808391
114369673931
121b8aaab287
13c69039b32
146cbb99315
153eb3a71b1
hex2607e0dc7

10208808391 has 2 divisors, whose sum is σ = 10208808392. Its totient is φ = 10208808390.

The previous prime is 10208808377. The next prime is 10208808413. The reversal of 10208808391 is 19380880201.

10208808391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10208808391 - 215 = 10208775623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10208808301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5104404195 + 5104404196.

It is an arithmetic number, because the mean of its divisors is an integer number (5104404196).

Almost surely, 210208808391 is an apocalyptic number.

10208808391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10208808391 is an equidigital number, since it uses as much as digits as its factorization.

10208808391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 40.

The spelling of 10208808391 in words is "ten billion, two hundred eight million, eight hundred eight thousand, three hundred ninety-one".