Search a number
-
+
10001233331857 is a prime number
BaseRepresentation
bin1001000110001001011111…
…1101011100011010010001
31022102002221010222000002001
42101202113331130122101
52302330011213104412
633134300403354001
72051364612446065
oct221422775343221
938362833860061
1010001233331857
113206554536549
121156380982901
1357715c8203a1
142680c2c57aa5
1512524d364957
hex91897f5c691

10001233331857 has 2 divisors, whose sum is σ = 10001233331858. Its totient is φ = 10001233331856.

The previous prime is 10001233331851. The next prime is 10001233331861. The reversal of 10001233331857 is 75813333210001.

10001233331857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6146388014481 + 3854845317376 = 2479191^2 + 1963376^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001233331857 - 219 = 10001232807569 is a prime.

It is not a weakly prime, because it can be changed into another prime (10001233331851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000616665928 + 5000616665929.

It is an arithmetic number, because the mean of its divisors is an integer number (5000616665929).

Almost surely, 210001233331857 is an apocalyptic number.

It is an amenable number.

10001233331857 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001233331857 is an equidigital number, since it uses as much as digits as its factorization.

10001233331857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

Adding to 10001233331857 its reverse (75813333210001), we get a palindrome (85814566541858).

The spelling of 10001233331857 in words is "ten trillion, one billion, two hundred thirty-three million, three hundred thirty-one thousand, eight hundred fifty-seven".