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44242422431 = 192328548549
BaseRepresentation
bin101001001101000011…
…011100101010011111
311020012022220221000012
4221031003130222133
51211102030004211
632154044353435
73124240246214
oct511503345237
9136168827005
1044242422431
111784376a889
1286a884587b
134230c925ac
1421d9bc7b0b
15123e195d8b
hexa4d0dca9f

44242422431 has 4 divisors (see below), whose sum is σ = 46570971000. Its totient is φ = 41913873864.

The previous prime is 44242422407. The next prime is 44242422449. The reversal of 44242422431 is 13422424244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44242422431 is a prime.

It is a super-2 number, since 2×442424224312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44242422491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164274256 + ... + 1164274293.

It is an arithmetic number, because the mean of its divisors is an integer number (11642742750).

Almost surely, 244242422431 is an apocalyptic number.

44242422431 is a deficient number, since it is larger than the sum of its proper divisors (2328548569).

44242422431 is a wasteful number, since it uses less digits than its factorization.

44242422431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328548568.

The product of its digits is 49152, while the sum is 32.

Adding to 44242422431 its reverse (13422424244), we get a palindrome (57664846675).

The spelling of 44242422431 in words is "forty-four billion, two hundred forty-two million, four hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 19 2328548549 44242422431