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4819863906 = 23311213179317
BaseRepresentation
bin1000111110100100…
…10100100101100010
3110102220102110022000
410133102110211202
534332341121111
62114134224430
7230304111234
oct43722244542
913386373260
104819863906
112053762100
12b261b5116
135ba73aaa0
1433a1b0254
151d3222c56
hex11f494962

4819863906 has 192 divisors, whose sum is σ = 12789705600. Its totient is φ = 1336452480.

The previous prime is 4819863869. The next prime is 4819863907. The reversal of 4819863906 is 6093689184.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4819863907) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15204460 + ... + 15204776.

It is an arithmetic number, because the mean of its divisors is an integer number (66613050).

Almost surely, 24819863906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4819863906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6394852800).

4819863906 is an abundant number, since it is smaller than the sum of its proper divisors (7969841694).

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

4819863906 is a wasteful number, since it uses less digits than its factorization.

4819863906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 4819863906 is about 69425.2396898995. The cubic root of 4819863906 is about 1689.1890541102.

The spelling of 4819863906 in words is "four billion, eight hundred nineteen million, eight hundred sixty-three thousand, nine hundred six".