Search a number
-
+
4807128840 = 2335597173131
BaseRepresentation
bin1000111101000011…
…01111011100001000
3110102000110110001220
410132201233130020
534321111110330
62113001242040
7230060630613
oct43641573410
913360413056
104807128840
112047554058
12b21a93320
135b7bcc347
1433861717a
151d2059710
hex11e86f708

4807128840 has 256 divisors, whose sum is σ = 15191193600. Its totient is φ = 1216051200.

The previous prime is 4807128773. The next prime is 4807128853. The reversal of 4807128840 is 488217084.

It is a super-3 number, since 3×48071288403 (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4807128792 and 4807128801.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36695575 + ... + 36695705.

It is an arithmetic number, because the mean of its divisors is an integer number (59340600).

Almost surely, 24807128840 is an apocalyptic number.

4807128840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4807128840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7595596800).

4807128840 is an abundant number, since it is smaller than the sum of its proper divisors (10384064760).

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

4807128840 is a wasteful number, since it uses less digits than its factorization.

4807128840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 4807128840 is about 69333.4611857796. The cubic root of 4807128840 is about 1687.7000142618.

The spelling of 4807128840 in words is "four billion, eight hundred seven million, one hundred twenty-eight thousand, eight hundred forty".