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55000500055081 = 750315620704361
BaseRepresentation
bin11001000000101110011010…
…10001001010110000101001
321012201222220102012211011121
430200113031101022300221
524202112011003230311
6312550514135455241
714404440443526640
oct1440271521126051
9235658812184147
1055000500055081
111658564346a409
126203570227521
13248c6a928b409
14d8207755c357
15655a5120ab71
hex3205cd44ac29

55000500055081 has 8 divisors (see below), whose sum is σ = 62982679987584. Its totient is φ = 47049561532320.

The previous prime is 55000500055057. The next prime is 55000500055117. The reversal of 55000500055081 is 18055000500055.

It is a happy number.

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 55000500055081 - 213 = 55000500046889 is a prime.

It is a super-2 number, since 2×550005000550812 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55000500055051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7810348660 + ... + 7810355701.

It is an arithmetic number, because the mean of its divisors is an integer number (7872834998448).

Almost surely, 255000500055081 is an apocalyptic number.

It is an amenable number.

55000500055081 is a deficient number, since it is larger than the sum of its proper divisors (7982179932503).

55000500055081 is a wasteful number, since it uses less digits than its factorization.

55000500055081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15620704871.

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 55000500055081 in words is "fifty-five trillion, five hundred million, fifty-five thousand, eighty-one".

Divisors: 1 7 503 3521 15620704361 109344930527 7857214293583 55000500055081