Search a number
-
+
4989105792 = 273311263499
BaseRepresentation
bin1001010010101111…
…11011011010000000
3110212200212211112000
410221113323122000
540204202341132
62143021504000
7234430461636
oct45127733200
913780784460
104989105792
112130247030
12b72a12000
13616816008
14354867356
151e300387c
hex1295fb680

4989105792 has 256 divisors, whose sum is σ = 16156800000. Its totient is φ = 1503083520.

The previous prime is 4989105773. The next prime is 4989105833. The reversal of 4989105792 is 2975019894.

4989105792 is a `hidden beast` number, since 498 + 9 + 10 + 57 + 92 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9997959 + ... + 9998457.

It is an arithmetic number, because the mean of its divisors is an integer number (63112500).

Almost surely, 24989105792 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 4989105792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8078400000).

4989105792 is an abundant number, since it is smaller than the sum of its proper divisors (11167694208).

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

4989105792 is a wasteful number, since it uses less digits than its factorization.

4989105792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The square root of 4989105792 is about 70633.6024283060. The cubic root of 4989105792 is about 1708.7331213568.

The spelling of 4989105792 in words is "four billion, nine hundred eighty-nine million, one hundred five thousand, seven hundred ninety-two".