Search a number
-
+
11210420069 is a prime number
BaseRepresentation
bin10100111000011000…
…10110111101100101
31001221021101100022022
422130030112331211
5140424331420234
65052222112525
7544542666302
oct123414267545
931837340268
1011210420069
114832a98582
12220a41b745
1310986bc774
14784c060a9
154592a5e2e
hex29c316f65

11210420069 has 2 divisors, whose sum is σ = 11210420070. Its totient is φ = 11210420068.

The previous prime is 11210420059. The next prime is 11210420129. The reversal of 11210420069 is 96002401211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10746017569 + 464402500 = 103663^2 + 21550^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210420069 - 220 = 11209371493 is a prime.

It is a super-2 number, since 2×112104200692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11210420009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605210034 + 5605210035.

It is an arithmetic number, because the mean of its divisors is an integer number (5605210035).

Almost surely, 211210420069 is an apocalyptic number.

It is an amenable number.

11210420069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210420069 is an equidigital number, since it uses as much as digits as its factorization.

11210420069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 11210420069 in words is "eleven billion, two hundred ten million, four hundred twenty thousand, sixty-nine".