Search a number
-
+
20030191151 is a prime number
BaseRepresentation
bin10010101001111001…
…000111011000101111
31220200221100010201112
4102221321013120233
5312010212104101
613111324302235
71306236546515
oct225171073057
956627303645
1020030191151
118549580093
123a700a197b
131b72a18919
14d803044b5
157c37316bb
hex4a9e4762f

20030191151 has 2 divisors, whose sum is σ = 20030191152. Its totient is φ = 20030191150.

The previous prime is 20030191141. The next prime is 20030191183. The reversal of 20030191151 is 15119103002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20030191151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20030191141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015095575 + 10015095576.

It is an arithmetic number, because the mean of its divisors is an integer number (10015095576).

Almost surely, 220030191151 is an apocalyptic number.

20030191151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20030191151 is an equidigital number, since it uses as much as digits as its factorization.

20030191151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 23.

Adding to 20030191151 its reverse (15119103002), we get a palindrome (35149294153).

The spelling of 20030191151 in words is "twenty billion, thirty million, one hundred ninety-one thousand, one hundred fifty-one".