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42878308000549 = 7171511238465861
BaseRepresentation
bin10011011111111011000100…
…10100010010001100100101
312121211010102000020012100211
421233331202110102030211
521110004233322004144
6231110004525535421
712013566305264320
oct1157754224221445
9177733360205324
1042878308000549
111273165203847a
12498612a714571
131ac053a5054a8
14a8346d4677b7
154e556ab87034
hex26ff62512325

42878308000549 has 16 divisors (see below), whose sum is σ = 51920695201536. Its totient is φ = 34568011065600.

The previous prime is 42878308000519. The next prime is 42878308000589. The reversal of 42878308000549 is 94500080387824.

It is a happy number.

42878308000549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42878308000549 - 29 = 42878308000037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42878308000493 and 42878308000502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878308000519) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 119053122 + ... + 119412739.

It is an arithmetic number, because the mean of its divisors is an integer number (3245043450096).

Almost surely, 242878308000549 is an apocalyptic number.

It is an amenable number.

42878308000549 is a deficient number, since it is larger than the sum of its proper divisors (9042387200987).

42878308000549 is a wasteful number, since it uses less digits than its factorization.

42878308000549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238467396.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 42878308000549 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred eight million, five hundred forty-nine", and thus it is an aban number.

Divisors: 1 7 17 119 1511 10577 25687 179809 238465861 1669261027 4053919637 28377437459 360321915971 2522253411797 6125472571507 42878308000549