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29444447418 = 2323213365561
BaseRepresentation
bin11011011011000001…
…101001110010111010
32211000000220220111120
4123123001221302322
5440300234304133
621305424410110
72061442450011
oct333301516272
984000826446
1029444447418
111153a694171
125858a76936
132a1325c469
1415d4751a78
15b74e8aab3
hex6db069cba

29444447418 has 16 divisors (see below), whose sum is σ = 61449281856. Its totient is φ = 9388084640.

The previous prime is 29444447401. The next prime is 29444447419. The reversal of 29444447418 is 81474444492.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29444447419) 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 7 ways as a sum of consecutive naturals, for example, 106682643 + ... + 106682918.

It is an arithmetic number, because the mean of its divisors is an integer number (3840580116).

Almost surely, 229444447418 is an apocalyptic number.

29444447418 is an abundant number, since it is smaller than the sum of its proper divisors (32004834438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29444447418 is a wasteful number, since it uses less digits than its factorization.

29444447418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213365589.

The product of its digits is 4128768, while the sum is 51.

It can be divided in two parts, 294444474 and 18, that added together give a palindrome (294444492).

The spelling of 29444447418 in words is "twenty-nine billion, four hundred forty-four million, four hundred forty-seven thousand, four hundred eighteen".

Divisors: 1 2 3 6 23 46 69 138 213365561 426731122 640096683 1280193366 4907407903 9814815806 14722223709 29444447418