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55105131230 = 255510513123
BaseRepresentation
bin110011010100100001…
…011001001011011110
312021020101000201010022
4303110201121023132
51400323403144410
641152010112142
73660361613162
oct632441311336
9167211021108
1055105131230
1121408456776
12a81a71b652
13527261a836
14294a75aca2
151677b66455
hexcd48592de

55105131230 has 8 divisors (see below), whose sum is σ = 99189236232. Its totient is φ = 22042052488.

The previous prime is 55105131199. The next prime is 55105131299. The reversal of 55105131230 is 3213150155.

It is a happy number.

55105131230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55105131230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755256552 + ... + 2755256571.

It is an arithmetic number, because the mean of its divisors is an integer number (12398654529).

Almost surely, 255105131230 is an apocalyptic number.

55105131230 is a deficient number, since it is larger than the sum of its proper divisors (44084105002).

55105131230 is a wasteful number, since it uses less digits than its factorization.

55105131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510513130.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 55105131230 its reverse (3213150155), we get a palindrome (58318281385).

The spelling of 55105131230 in words is "fifty-five billion, one hundred five million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 5510513123 11021026246 27552565615 55105131230