Search a number
-
+
10069819091 is a prime number
BaseRepresentation
bin10010110000011010…
…10011111011010011
3221222210010210220122
421120031103323103
5131110333202331
64343115100455
7504353023103
oct113015237323
927883123818
1010069819091
1142a8172142
121b5044172b
13c462c4847
146b7539203
153de0a017b
hex258353ed3

10069819091 has 2 divisors, whose sum is σ = 10069819092. Its totient is φ = 10069819090.

The previous prime is 10069819021. The next prime is 10069819093. The reversal of 10069819091 is 19091896001.

It is a strong prime.

It is an emirp because it is prime and its reverse (19091896001) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 16061869001 and 10096816061.

It is a cyclic number.

It is not a de Polignac number, because 10069819091 - 222 = 10065624787 is a prime.

Together with 10069819093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10069819093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5034909545 + 5034909546.

It is an arithmetic number, because the mean of its divisors is an integer number (5034909546).

Almost surely, 210069819091 is an apocalyptic number.

10069819091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10069819091 is an equidigital number, since it uses as much as digits as its factorization.

10069819091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 44.

The spelling of 10069819091 in words is "ten billion, sixty-nine million, eight hundred nineteen thousand, ninety-one".