Search a number
-
+
47717946907 is a prime number
BaseRepresentation
bin101100011100001101…
…100001011000011011
311120011112201212021221
4230130031201120123
51240211243300112
633531001112511
73306331566511
oct543415413033
9146145655257
1047717946907
111926759a864
1292b8788737
13466603c657
1424496144b1
15139436ae07
hexb1c36161b

47717946907 has 2 divisors, whose sum is σ = 47717946908. Its totient is φ = 47717946906.

The previous prime is 47717946869. The next prime is 47717946931. The reversal of 47717946907 is 70964971774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47717946907 - 27 = 47717946779 is a prime.

It is not a weakly prime, because it can be changed into another prime (47717946977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23858973453 + 23858973454.

It is an arithmetic number, because the mean of its divisors is an integer number (23858973454).

Almost surely, 247717946907 is an apocalyptic number.

47717946907 is a deficient number, since it is larger than the sum of its proper divisors (1).

47717946907 is an equidigital number, since it uses as much as digits as its factorization.

47717946907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18670176, while the sum is 61.

The spelling of 47717946907 in words is "forty-seven billion, seven hundred seventeen million, nine hundred forty-six thousand, nine hundred seven".