Search a number
-
+
1690013513 is a prime number
BaseRepresentation
bin110010010111011…
…1000111101001001
311100210001120201002
41210232320331021
511430120413023
6435410504345
756610610046
oct14456707511
94323046632
101690013513
11797a72191
123b1b950b5
1320c190bc6
141206461cd
159d57eb28
hex64bb8f49

1690013513 has 2 divisors, whose sum is σ = 1690013514. Its totient is φ = 1690013512.

The previous prime is 1690013509. The next prime is 1690013551. The reversal of 1690013513 is 3153100961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1058396089 + 631617424 = 32533^2 + 25132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1690013513 - 22 = 1690013509 is a prime.

It is a super-2 number, since 2×16900135132 = 5712291348245202338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1693013513) 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, 845006756 + 845006757.

It is an arithmetic number, because the mean of its divisors is an integer number (845006757).

Almost surely, 21690013513 is an apocalyptic number.

It is an amenable number.

1690013513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1690013513 is an equidigital number, since it uses as much as digits as its factorization.

1690013513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 1690013513 is about 41109.7739351605. The cubic root of 1690013513 is about 1191.1415999125.

The spelling of 1690013513 in words is "one billion, six hundred ninety million, thirteen thousand, five hundred thirteen".