Search a number
-
+
4881720806 = 2192274331307
BaseRepresentation
bin1001000101111100…
…10010010111100110
3110121012211010000022
410202332102113212
534444210031211
62124224115142
7231654641114
oct44276222746
913535733008
104881720806
112085671106
12b42a65ab2
135ca4b7cc1
143444b2ab4
151d8890bdb
hex122f925e6

4881720806 has 32 divisors (see below), whose sum is σ = 7765752960. Its totient is φ = 2295133056.

The previous prime is 4881720743. The next prime is 4881720817. The reversal of 4881720806 is 6080271884.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 3734405 + ... + 3735711.

It is an arithmetic number, because the mean of its divisors is an integer number (242679780).

Almost surely, 24881720806 is an apocalyptic number.

4881720806 is a deficient number, since it is larger than the sum of its proper divisors (2884032154).

4881720806 is a wasteful number, since it uses less digits than its factorization.

4881720806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 4881720806 is about 69869.3123338136. The cubic root of 4881720806 is about 1696.3845662418.

The spelling of 4881720806 in words is "four billion, eight hundred eighty-one million, seven hundred twenty thousand, eight hundred six".

Divisors: 1 2 19 38 227 433 454 866 1307 2614 4313 8227 8626 16454 24833 49666 98291 196582 296689 565931 593378 1131862 1867529 3735058 5637091 10752689 11274182 21505378 128466337 256932674 2440860403 4881720806