Search a number
-
+
20132301389 is a prime number
BaseRepresentation
bin10010101111111110…
…101000101001001101
31220222001110212122012
4102233332220221031
5312212332121024
613125413031005
71311616511144
oct225776505115
956861425565
1020132301389
1185a1183012
123a9a325465
131b8ac1aa95
14d8dac475b
157cc6a150e
hex4affa8a4d

20132301389 has 2 divisors, whose sum is σ = 20132301390. Its totient is φ = 20132301388.

The previous prime is 20132301359. The next prime is 20132301443. The reversal of 20132301389 is 98310323102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17507788489 + 2624512900 = 132317^2 + 51230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20132301389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132301359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066150694 + 10066150695.

It is an arithmetic number, because the mean of its divisors is an integer number (10066150695).

Almost surely, 220132301389 is an apocalyptic number.

It is an amenable number.

20132301389 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132301389 is an equidigital number, since it uses as much as digits as its factorization.

20132301389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

It can be divided in two parts, 201323013 and 89, that added together give a palindrome (201323102).

The spelling of 20132301389 in words is "twenty billion, one hundred thirty-two million, three hundred one thousand, three hundred eighty-nine".