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55055405142930 = 2351835180171431
BaseRepresentation
bin11001000010010100101011…
…10111011101001110010010
321012221020121211211021100210
430201022111313131032102
524204011432204033210
6313032034242224550
714411423156215233
oct1441122567351622
9235836554737323
1055055405142930
11165a6958a03575
126212133955156
132494919307c8a
14d849a54c508a
156571b6509e20
hex321295ddd392

55055405142930 has 16 divisors (see below), whose sum is σ = 132132972343104. Its totient is φ = 14681441371440.

The previous prime is 55055405142929. The next prime is 55055405142967. The reversal of 55055405142930 is 3924150455055.

55055405142930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55055405142930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917590085686 + ... + 917590085745.

It is an arithmetic number, because the mean of its divisors is an integer number (8258310771444).

Almost surely, 255055405142930 is an apocalyptic number.

55055405142930 is an abundant number, since it is smaller than the sum of its proper divisors (77077567200174).

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

55055405142930 is a wasteful number, since it uses less digits than its factorization.

55055405142930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835180171441.

The product of its (nonzero) digits is 2700000, while the sum is 48.

Adding to 55055405142930 its reverse (3924150455055), we get a palindrome (58979555597985).

The spelling of 55055405142930 in words is "fifty-five trillion, fifty-five billion, four hundred five million, one hundred forty-two thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1835180171431 3670360342862 5505540514293 9175900857155 11011081028586 18351801714310 27527702571465 55055405142930