Search a number
-
+
488417846393 is a prime number
BaseRepresentation
bin1110001101101111111…
…10001110010001111001
31201200200200100100101102
413012313332032101321
531000234432041033
61012213121301145
750200310123561
oct7066776162171
91650620310342
10488417846393
11179156161024
127a7aa1947b5
1337099735949
14198d4cd3da1
15ca88dedde8
hex71b7f8e479

488417846393 has 2 divisors, whose sum is σ = 488417846394. Its totient is φ = 488417846392.

The previous prime is 488417846377. The next prime is 488417846407. The reversal of 488417846393 is 393648714884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 467873784169 + 20544062224 = 684013^2 + 143332^2 .

It is a cyclic number.

It is not a de Polignac number, because 488417846393 - 24 = 488417846377 is a prime.

It is a super-2 number, since 2×4884178463932 (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (488417846893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244208923196 + 244208923197.

It is an arithmetic number, because the mean of its divisors is an integer number (244208923197).

Almost surely, 2488417846393 is an apocalyptic number.

It is an amenable number.

488417846393 is a deficient number, since it is larger than the sum of its proper divisors (1).

488417846393 is an equidigital number, since it uses as much as digits as its factorization.

488417846393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111476736, while the sum is 65.

The spelling of 488417846393 in words is "four hundred eighty-eight billion, four hundred seventeen million, eight hundred forty-six thousand, three hundred ninety-three".