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2440144123 is a prime number
BaseRepresentation
bin1001000101110001…
…1010010011111011
320022001120011110021
42101130122103323
514444134102443
61042044431311
7114316611544
oct22134322373
96261504407
102440144123
11104244143a
12581248537
132cb702c81
1419210d4cb
15e43559ed
hex9171a4fb

2440144123 has 2 divisors, whose sum is σ = 2440144124. Its totient is φ = 2440144122.

The previous prime is 2440144121. The next prime is 2440144139. The reversal of 2440144123 is 3214410442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2440144123 - 21 = 2440144121 is a prime.

It is a super-2 number, since 2×24401441232 = 11908606682022878258, which contains 22 as substring.

Together with 2440144121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2440144121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220072061 + 1220072062.

It is an arithmetic number, because the mean of its divisors is an integer number (1220072062).

Almost surely, 22440144123 is an apocalyptic number.

2440144123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440144123 is an equidigital number, since it uses as much as digits as its factorization.

2440144123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2440144123 is about 49397.8149617977. The cubic root of 2440144123 is about 1346.2896054171.

Adding to 2440144123 its reverse (3214410442), we get a palindrome (5654554565).

The spelling of 2440144123 in words is "two billion, four hundred forty million, one hundred forty-four thousand, one hundred twenty-three".