Search a number
-
+
20402141341 is a prime number
BaseRepresentation
bin10011000000000011…
…111111100010011101
31221122212020011110111
4103000003333202131
5313240422010331
613212252410021
71321404224431
oct230003774235
957585204414
1020402141341
11871a52783a
123b54776911
131c01ab8aaa
14db78869c1
157e6203db1
hex4c00ff89d

20402141341 has 2 divisors, whose sum is σ = 20402141342. Its totient is φ = 20402141340.

The previous prime is 20402141317. The next prime is 20402141359. The reversal of 20402141341 is 14314120402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16992165316 + 3409976025 = 130354^2 + 58395^2 .

It is a cyclic number.

It is not a de Polignac number, because 20402141341 - 231 = 18254657693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20402144341) 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, 10201070670 + 10201070671.

It is an arithmetic number, because the mean of its divisors is an integer number (10201070671).

Almost surely, 220402141341 is an apocalyptic number.

It is an amenable number.

20402141341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20402141341 is an equidigital number, since it uses as much as digits as its factorization.

20402141341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20402141341 its reverse (14314120402), we get a palindrome (34716261743).

The spelling of 20402141341 in words is "twenty billion, four hundred two million, one hundred forty-one thousand, three hundred forty-one".