Search a number
-
+
6221260247 is a prime number
BaseRepresentation
bin1011100101101000…
…01110010111010111
3121001120101202200012
411302310032113113
5100220120311442
62505155110435
7310111560656
oct56264162727
917046352605
106221260247
1127028149a4
1212575a241b
13781b87ca7
1443036719d
15266291582
hex172d0e5d7

6221260247 has 2 divisors, whose sum is σ = 6221260248. Its totient is φ = 6221260246.

The previous prime is 6221260223. The next prime is 6221260319. The reversal of 6221260247 is 7420621226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6221260247 - 210 = 6221259223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6221260217) 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, 3110630123 + 3110630124.

It is an arithmetic number, because the mean of its divisors is an integer number (3110630124).

Almost surely, 26221260247 is an apocalyptic number.

6221260247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6221260247 is an equidigital number, since it uses as much as digits as its factorization.

6221260247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 6221260247 is about 78874.9659080750. The cubic root of 6221260247 is about 1839.1879930583.

The spelling of 6221260247 in words is "six billion, two hundred twenty-one million, two hundred sixty thousand, two hundred forty-seven".