Search a number
-
+
202100101169 is a prime number
BaseRepresentation
bin1011110000111000011…
…0101101000000110001
3201022122200222212201012
42330032012231000301
511302400111214134
6232502110320305
720413141341641
oct2741606550061
9638580885635
10202100101169
117878a2692aa
1233202ab9095
131609a4440a5
149ad2d96521
1553cca0b6ce
hex2f0e1ad031

202100101169 has 2 divisors, whose sum is σ = 202100101170. Its totient is φ = 202100101168.

The previous prime is 202100101163. The next prime is 202100101171. The reversal of 202100101169 is 961101001202.

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., 197967154225 + 4132946944 = 444935^2 + 64288^2 .

It is a cyclic number.

It is not a de Polignac number, because 202100101169 - 232 = 197805133873 is a prime.

It is a super-2 number, since 2×2021001011692 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 202100101171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (202100101163) 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, 101050050584 + 101050050585.

It is an arithmetic number, because the mean of its divisors is an integer number (101050050585).

Almost surely, 2202100101169 is an apocalyptic number.

It is an amenable number.

202100101169 is a deficient number, since it is larger than the sum of its proper divisors (1).

202100101169 is an equidigital number, since it uses as much as digits as its factorization.

202100101169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 202100101169 in words is "two hundred two billion, one hundred million, one hundred one thousand, one hundred sixty-nine".