Search a number
-
+
21024230434301 is a prime number
BaseRepresentation
bin1001100011111000101011…
…10010010110010111111101
32202102220012202201112021102
410301330111302112113331
510223430110442344201
6112414221554542445
74266644013043343
oct461742562262775
982386182645242
1021024230434301
116776364a85946
122436778297a25
13b9676552a763
14529814765993
15266d4d95a26b
hex131f15c965fd

21024230434301 has 2 divisors, whose sum is σ = 21024230434302. Its totient is φ = 21024230434300.

The previous prime is 21024230434283. The next prime is 21024230434313. The reversal of 21024230434301 is 10343403242012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21021812352025 + 2418082276 = 4584955^2 + 49174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21024230434301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21024230434391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10512115217150 + 10512115217151.

It is an arithmetic number, because the mean of its divisors is an integer number (10512115217151).

Almost surely, 221024230434301 is an apocalyptic number.

It is an amenable number.

21024230434301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21024230434301 is an equidigital number, since it uses as much as digits as its factorization.

21024230434301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 21024230434301 its reverse (10343403242012), we get a palindrome (31367633676313).

The spelling of 21024230434301 in words is "twenty-one trillion, twenty-four billion, two hundred thirty million, four hundred thirty-four thousand, three hundred one".