Search a number
-
+
20471244298223 is a prime number
BaseRepresentation
bin1001010011110010101010…
…01111101001011111101111
32200111000212012202012210112
410221321111033221133233
510140400102020020343
6111312205414530235
74211666342330105
oct451712517513757
980430765665715
1020471244298223
1165828957a4144
12236756a36697b
13b56578aa0c54
1450ab563b7c75
1525778622b218
hex129e553e97ef

20471244298223 has 2 divisors, whose sum is σ = 20471244298224. Its totient is φ = 20471244298222.

The previous prime is 20471244298217. The next prime is 20471244298291. The reversal of 20471244298223 is 32289244217402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20471244298223 - 28 = 20471244297967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20471244298423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10235622149111 + 10235622149112.

It is an arithmetic number, because the mean of its divisors is an integer number (10235622149112).

Almost surely, 220471244298223 is an apocalyptic number.

20471244298223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20471244298223 is an equidigital number, since it uses as much as digits as its factorization.

20471244298223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 20471244298223 in words is "twenty trillion, four hundred seventy-one billion, two hundred forty-four million, two hundred ninety-eight thousand, two hundred twenty-three".