Search a number
-
+
4899987456 = 21337213313
BaseRepresentation
bin1001001000000111…
…11110000000000000
3110122111012011010220
410210003332000000
540013344044311
62130115423040
7232266130500
oct44403760000
913574164126
104899987456
112094a08111
12b48bb4a80
13601212480
14346aa9a00
151da29d206
hex1240fe000

4899987456 has 336 divisors, whose sum is σ = 16420484304. Its totient is φ = 1288175616.

The previous prime is 4899987451. The next prime is 4899987467. The reversal of 4899987456 is 6547899984.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4899987451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15654756 + ... + 15655068.

It is an arithmetic number, because the mean of its divisors is an integer number (48870489).

Almost surely, 24899987456 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 4899987456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8210242152).

4899987456 is an abundant number, since it is smaller than the sum of its proper divisors (11520496848).

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

4899987456 is a wasteful number, since it uses less digits than its factorization.

4899987456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 338 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 69.

The square root of 4899987456 is about 69999.9103999427. The cubic root of 4899987456 is about 1698.4978028545.

The spelling of 4899987456 in words is "four billion, eight hundred ninety-nine million, nine hundred eighty-seven thousand, four hundred fifty-six".