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42554254231 is a prime number
BaseRepresentation
bin100111101000011011…
…100110001110010111
311001211200100002121001
4213220123212032113
51144122342113411
631314341204131
73034351123066
oct475033461627
9131750302531
1042554254231
1117057849055
1282b7400647
1340222c95b8
1420b99021dd
151190d7cdc1
hex9e86e6397

42554254231 has 2 divisors, whose sum is σ = 42554254232. Its totient is φ = 42554254230.

The previous prime is 42554254219. The next prime is 42554254289. The reversal of 42554254231 is 13245245524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42554254231 - 211 = 42554252183 is a prime.

It is a super-2 number, since 2×425542542312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42554954231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21277127115 + 21277127116.

It is an arithmetic number, because the mean of its divisors is an integer number (21277127116).

Almost surely, 242554254231 is an apocalyptic number.

42554254231 is a deficient number, since it is larger than the sum of its proper divisors (1).

42554254231 is an equidigital number, since it uses as much as digits as its factorization.

42554254231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192000, while the sum is 37.

Adding to 42554254231 its reverse (13245245524), we get a palindrome (55799499755).

The spelling of 42554254231 in words is "forty-two billion, five hundred fifty-four million, two hundred fifty-four thousand, two hundred thirty-one".