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4881999164 = 227231225919
BaseRepresentation
bin1001000101111110…
…10110010100111100
3110121020100020211212
410202333112110330
534444242433124
62124234103552
7231660210500
oct44277262474
913536306755
104881999164
112085841259
12b42b7abb8
135ca584903
14344546300
151d88e840e
hex122fd653c

4881999164 has 54 divisors (see below), whose sum is σ = 10269685440. Its totient is φ = 2024714160.

The previous prime is 4881999149. The next prime is 4881999211. The reversal of 4881999164 is 4619991884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 175397 + ... + 201315.

It is an arithmetic number, because the mean of its divisors is an integer number (190179360).

Almost surely, 24881999164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4881999164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5134842720).

4881999164 is an abundant number, since it is smaller than the sum of its proper divisors (5387686276).

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

4881999164 is a wasteful number, since it uses less digits than its factorization.

4881999164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25999 (or 25959 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 59.

The square root of 4881999164 is about 69871.3042958266. The cubic root of 4881999164 is about 1696.4168085090.

The spelling of 4881999164 in words is "four billion, eight hundred eighty-one million, nine hundred ninety-nine thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 196 217 434 868 961 1519 1922 3038 3844 6076 6727 13454 25919 26908 47089 51838 94178 103676 181433 188356 362866 725732 803489 1270031 1606978 2540062 3213956 5080124 5624423 11248846 22497692 24908159 39370961 49816318 78741922 99632636 157483844 174357113 348714226 697428452 1220499791 2440999582 4881999164