Search a number
-
+
10420226569 is a prime number
BaseRepresentation
bin10011011010001100…
…00000101000001001
3222220012111100121101
421231012000220021
5132320034222234
64441553341401
7516136315204
oct115506005011
928805440541
1010420226569
114467a454a5
122029867861
13ca0a9134c
1470bcb093b
1540ec19814
hex26d180a09

10420226569 has 2 divisors, whose sum is σ = 10420226570. Its totient is φ = 10420226568.

The previous prime is 10420226527. The next prime is 10420226587. The reversal of 10420226569 is 96562202401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5962928400 + 4457298169 = 77220^2 + 66763^2 .

It is a cyclic number.

It is not a de Polignac number, because 10420226569 - 29 = 10420226057 is a prime.

It is a super-2 number, since 2×104202265692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10420226519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210113284 + 5210113285.

It is an arithmetic number, because the mean of its divisors is an integer number (5210113285).

Almost surely, 210420226569 is an apocalyptic number.

It is an amenable number.

10420226569 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420226569 is an equidigital number, since it uses as much as digits as its factorization.

10420226569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 10420226569 in words is "ten billion, four hundred twenty million, two hundred twenty-six thousand, five hundred sixty-nine".