Search a number
-
+
38566939760 = 245482086747
BaseRepresentation
bin100011111010110001…
…001100110001110000
310200112210111112102022
4203322301030301300
51112441114033020
625414543211012
72533503402416
oct437261146160
9120483445368
1038566939760
11153a1039738
127583ba6a68
1338381c9c1b
141c1c1312b6
15100acb1625
hex8fac4cc70

38566939760 has 20 divisors (see below), whose sum is σ = 89668135128. Its totient is φ = 15426775872.

The previous prime is 38566939681. The next prime is 38566939783. The reversal of 38566939760 is 6793966583.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 38566939693 and 38566939702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241043294 + ... + 241043453.

Almost surely, 238566939760 is an apocalyptic number.

It is an amenable number.

38566939760 is an abundant number, since it is smaller than the sum of its proper divisors (51101195368).

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

38566939760 is a wasteful number, since it uses less digits than its factorization.

38566939760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482086760 (or 482086754 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 38566939760 in words is "thirty-eight billion, five hundred sixty-six million, nine hundred thirty-nine thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 482086747 964173494 1928346988 2410433735 3856693976 4820867470 7713387952 9641734940 19283469880 38566939760