Search a number
-
+
4646812831 is a prime number
BaseRepresentation
bin1000101001111100…
…01011110010011111
3102222211210112211221
410110332023302133
534004041002311
62045033154211
7223103154163
oct42476136237
912884715757
104646812831
111a75006291
12a9825b967
1359092aabb
14321204ca3
151c2e3d671
hex114f8bc9f

4646812831 has 2 divisors, whose sum is σ = 4646812832. Its totient is φ = 4646812830.

The previous prime is 4646812829. The next prime is 4646812847. The reversal of 4646812831 is 1382186464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4646812831 - 21 = 4646812829 is a prime.

It is a super-2 number, since 2×46468128312 = 43185738972692469122, which contains 22 as substring.

Together with 4646812829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4646872831) 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, 2323406415 + 2323406416.

It is an arithmetic number, because the mean of its divisors is an integer number (2323406416).

Almost surely, 24646812831 is an apocalyptic number.

4646812831 is a deficient number, since it is larger than the sum of its proper divisors (1).

4646812831 is an equidigital number, since it uses as much as digits as its factorization.

4646812831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 43.

The square root of 4646812831 is about 68167.5350221790. The cubic root of 4646812831 is about 1668.7261050112.

The spelling of 4646812831 in words is "four billion, six hundred forty-six million, eight hundred twelve thousand, eight hundred thirty-one".