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254351442431 is a prime number
BaseRepresentation
bin1110110011100010000…
…1110000000111111111
3220022112012010000221202
43230320201300013333
513131402432124211
6312503014050115
724243031405562
oct3547041600777
9808465100852
10254351442431
1198962838369
124136594993b
131aca67501b8
14c44c6ca4d9
156939d6053b
hex3b388701ff

254351442431 has 2 divisors, whose sum is σ = 254351442432. Its totient is φ = 254351442430.

The previous prime is 254351442419. The next prime is 254351442451. The reversal of 254351442431 is 134244153452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-254351442431 is a prime.

It is a super-2 number, since 2×2543514424312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254351442451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127175721215 + 127175721216.

It is an arithmetic number, because the mean of its divisors is an integer number (127175721216).

Almost surely, 2254351442431 is an apocalyptic number.

254351442431 is a deficient number, since it is larger than the sum of its proper divisors (1).

254351442431 is an equidigital number, since it uses as much as digits as its factorization.

254351442431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 38.

Adding to 254351442431 its reverse (134244153452), we get a palindrome (388595595883).

The spelling of 254351442431 in words is "two hundred fifty-four billion, three hundred fifty-one million, four hundred forty-two thousand, four hundred thirty-one".