Search a number
-
+
3147206443 is a prime number
BaseRepresentation
bin1011101110010110…
…1000111100101011
322010100000122121121
42323211220330223
522421141101233
61240143320111
7140663545663
oct27345507453
98110018547
103147206443
111375574867
12739bb0037
133b2045a44
1421bda51a3
1513647092d
hexbb968f2b

3147206443 has 2 divisors, whose sum is σ = 3147206444. Its totient is φ = 3147206442.

The previous prime is 3147206437. The next prime is 3147206479. The reversal of 3147206443 is 3446027413.

It is a weak prime.

It is an emirp because it is prime and its reverse (3446027413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3147206443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3147206399 and 3147206408.

It is not a weakly prime, because it can be changed into another prime (3147206423) 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, 1573603221 + 1573603222.

It is an arithmetic number, because the mean of its divisors is an integer number (1573603222).

Almost surely, 23147206443 is an apocalyptic number.

3147206443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3147206443 is an equidigital number, since it uses as much as digits as its factorization.

3147206443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 3147206443 is about 56099.9682976738. The cubic root of 3147206443 is about 1465.4637402468.

The spelling of 3147206443 in words is "three billion, one hundred forty-seven million, two hundred six thousand, four hundred forty-three".