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13204442433 = 3721338318041
BaseRepresentation
bin11000100110000101…
…11100110101000001
31021002020111011202110
430103002330311001
5204020314124213
610022133005533
7645134623500
oct142302746501
937066434673
1013204442433
115666622046
1226861838a9
131325853060
148d3986837
155243875c3
hex3130bcd41

13204442433 has 48 divisors (see below), whose sum is σ = 22114584576. Its totient is φ = 6946410240.

The previous prime is 13204442423. The next prime is 13204442443. The reversal of 13204442433 is 33424440231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13204442423) and next prime (13204442443).

It is not a de Polignac number, because 13204442433 - 212 = 13204438337 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13204442433.

It is not an unprimeable number, because it can be changed into a prime (13204442413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 722893 + ... + 740933.

It is an arithmetic number, because the mean of its divisors is an integer number (460720512).

Almost surely, 213204442433 is an apocalyptic number.

13204442433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13204442433 is a deficient number, since it is larger than the sum of its proper divisors (8910142143).

13204442433 is a wasteful number, since it uses less digits than its factorization.

13204442433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18454 (or 18447 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 13204442433 its reverse (33424440231), we get a palindrome (46628882664).

The spelling of 13204442433 in words is "thirteen billion, two hundred four million, four hundred forty-two thousand, four hundred thirty-three".

Divisors: 1 3 7 13 21 39 49 91 147 273 383 637 1149 1911 2681 4979 8043 14937 18041 18767 34853 54123 56301 104559 126287 234533 243971 378861 703599 731913 884009 1641731 2652027 4925193 6909703 11492117 20729109 34476351 48367921 89826139 145103763 269478417 338575447 628782973 1015726341 1886348919 4401480811 13204442433