Search a number
-
+
47204389517 is a prime number
BaseRepresentation
bin101011111101100110…
…011101001010001101
311111211202101102222212
4223331212131022031
51233133310431032
633404013520205
73260524455605
oct537546351215
9144752342885
1047204389517
111902371356a
1291947a3065
1345b381b73c
1423db32dc05
151364225bb2
hexafd99d28d

47204389517 has 2 divisors, whose sum is σ = 47204389518. Its totient is φ = 47204389516.

The previous prime is 47204389487. The next prime is 47204389523. The reversal of 47204389517 is 71598340274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43466412196 + 3737977321 = 208486^2 + 61139^2 .

It is a cyclic number.

It is not a de Polignac number, because 47204389517 - 210 = 47204388493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47204389577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23602194758 + 23602194759.

It is an arithmetic number, because the mean of its divisors is an integer number (23602194759).

Almost surely, 247204389517 is an apocalyptic number.

It is an amenable number.

47204389517 is a deficient number, since it is larger than the sum of its proper divisors (1).

47204389517 is an equidigital number, since it uses as much as digits as its factorization.

47204389517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 47204389517 in words is "forty-seven billion, two hundred four million, three hundred eighty-nine thousand, five hundred seventeen".