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55243024011231 = 3713052320154457
BaseRepresentation
bin11001000111110010001001…
…10100101000111111011111
321020121011220022211022002220
430203321010310220333133
524220100203121324411
6313254143405520423
714431114430250330
oct1443710464507737
9236534808738086
1055243024011231
1116669486965221
126242574b73113
1324a9519529304
14d8dac30d6287
1565bee7a25b06
hex323e44d28fdf

55243024011231 has 16 divisors (see below), whose sum is σ = 84180495231744. Its totient is φ = 31567198872384.

The previous prime is 55243024011221. The next prime is 55243024011233. The reversal of 55243024011231 is 13211042034255.

It is not a de Polignac number, because 55243024011231 - 26 = 55243024011167 is a prime.

It is a super-2 number, since 2×552430240112312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55243024011192 and 55243024011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55243024011233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7336246 + ... + 12818211.

It is an arithmetic number, because the mean of its divisors is an integer number (5261280951984).

Almost surely, 255243024011231 is an apocalyptic number.

55243024011231 is a deficient number, since it is larger than the sum of its proper divisors (28937471220513).

55243024011231 is a wasteful number, since it uses less digits than its factorization.

55243024011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20284990.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 55243024011231 its reverse (13211042034255), we get a palindrome (68454066045486).

The spelling of 55243024011231 in words is "fifty-five trillion, two hundred forty-three billion, twenty-four million, eleven thousand, two hundred thirty-one".

Divisors: 1 3 7 21 130523 391569 913661 2740983 20154457 60463371 141081199 423243597 2630620191011 7891860573033 18414341337077 55243024011231