Search a number
-
+
42458912443 is a prime number
BaseRepresentation
bin100111100010101111…
…111001011010111011
311001121000221020020201
4213202233321122323
51143423440144233
631301053503031
73032112541513
oct474257713273
9131530836221
1042458912443
1117008a49392
12828b4a1a77
13400862713c
1420aada4843
1511877e877d
hex9e2bf96bb

42458912443 has 2 divisors, whose sum is σ = 42458912444. Its totient is φ = 42458912442.

The previous prime is 42458912429. The next prime is 42458912491. The reversal of 42458912443 is 34421985424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42458912443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42458912393 and 42458912402.

It is not a weakly prime, because it can be changed into another prime (42458912423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21229456221 + 21229456222.

It is an arithmetic number, because the mean of its divisors is an integer number (21229456222).

Almost surely, 242458912443 is an apocalyptic number.

42458912443 is a deficient number, since it is larger than the sum of its proper divisors (1).

42458912443 is an equidigital number, since it uses as much as digits as its factorization.

42458912443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 46.

The spelling of 42458912443 in words is "forty-two billion, four hundred fifty-eight million, nine hundred twelve thousand, four hundred forty-three".