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244444113142 = 2122222056571
BaseRepresentation
bin1110001110101000000…
…0010010100011110110
3212100221201201120010221
43203222000102203312
513001110143110032
6304143541404554
723442360451615
oct3435200224366
9770851646127
10244444113142
1194739369219
123b45ba0975a
131a08800b488
14bb8c9ab87c
15655a1aa597
hex38ea0128f6

244444113142 has 4 divisors (see below), whose sum is σ = 366666169716. Its totient is φ = 122222056570.

The previous prime is 244444113083. The next prime is 244444113149. The reversal of 244444113142 is 241311444442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241311444442 = 2120655722221.

It is a super-2 number, since 2×2444441131422 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244444113098 and 244444113107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244444113149) 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, 61111028284 + ... + 61111028287.

It is an arithmetic number, because the mean of its divisors is an integer number (91666542429).

Almost surely, 2244444113142 is an apocalyptic number.

244444113142 is a deficient number, since it is larger than the sum of its proper divisors (122222056574).

244444113142 is a wasteful number, since it uses less digits than its factorization.

244444113142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122222056573.

The product of its digits is 49152, while the sum is 34.

Adding to 244444113142 its reverse (241311444442), we get a palindrome (485755557584).

The spelling of 244444113142 in words is "two hundred forty-four billion, four hundred forty-four million, one hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 122222056571 244444113142