Search a number
-
+
3047300621 is a prime number
BaseRepresentation
bin1011010110100010…
…0001111000001101
321212101000220120222
42311220201320031
522220102104441
61222214121125
7135341425241
oct26550417015
97771026528
103047300621
111324138072
127106501a5
13397436081
1420c9da421
1512c7d8d4b
hexb5a21e0d

3047300621 has 2 divisors, whose sum is σ = 3047300622. Its totient is φ = 3047300620.

The previous prime is 3047300587. The next prime is 3047300639. The reversal of 3047300621 is 1260037403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3015547396 + 31753225 = 54914^2 + 5635^2 .

It is an emirp because it is prime and its reverse (1260037403) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3047300621 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3047300671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1523650310 + 1523650311.

It is an arithmetic number, because the mean of its divisors is an integer number (1523650311).

Almost surely, 23047300621 is an apocalyptic number.

It is an amenable number.

3047300621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3047300621 is an equidigital number, since it uses as much as digits as its factorization.

3047300621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 3047300621 is about 55202.3606469868. The cubic root of 3047300621 is about 1449.7900006620.

The spelling of 3047300621 in words is "three billion, forty-seven million, three hundred thousand, six hundred twenty-one".