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14221220443 = 177691108769
BaseRepresentation
bin11010011111010011…
…01001101001011011
31100201002201211222021
431033221221221123
5213111113023233
610311054035311
71012262244043
oct151751515133
940632654867
1014221220443
116038565451
12290a7a8b37
1314583b5c51
1498ca20723
1558377ee2d
hex34fa69a5b

14221220443 has 8 divisors (see below), whose sum is σ = 15059859120. Its totient is φ = 13382814720.

The previous prime is 14221220437. The next prime is 14221220483. The reversal of 14221220443 is 34402212241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14221220443 - 29 = 14221219931 is a prime.

It is a super-2 number, since 2×142212204432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14221220423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76363 + ... + 185131.

It is an arithmetic number, because the mean of its divisors is an integer number (1882482390).

Almost surely, 214221220443 is an apocalyptic number.

14221220443 is a deficient number, since it is larger than the sum of its proper divisors (838638677).

14221220443 is a wasteful number, since it uses less digits than its factorization.

14221220443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116477.

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

Adding to 14221220443 its reverse (34402212241), we get a palindrome (48623432684).

The spelling of 14221220443 in words is "fourteen billion, two hundred twenty-one million, two hundred twenty thousand, four hundred forty-three".

Divisors: 1 17 7691 108769 130747 1849073 836542379 14221220443