Base | Representation |
---|---|
bin | 1111111011111101… |
… | …0101000000001000 |
3 | 102001010211121220111 |
4 | 3332333111000020 |
5 | 32230132421320 |
6 | 1544300404104 |
7 | 211004342623 |
oct | 37677250010 |
9 | 12033747814 |
10 | 4278013960 |
11 | 18a5911230 |
12 | 9b4846634 |
13 | 5323c210c |
14 | 2c8242dba |
15 | 1a088ea5a |
hex | fefd5008 |
4278013960 has 128 divisors (see below), whose sum is σ = 11169446400. Its totient is φ = 1457397760.
The previous prime is 4278013939. The next prime is 4278013991. The reversal of 4278013960 is 693108724.
It is a Harshad number since it is a multiple of its sum of digits (40).
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 31 ways as a sum of consecutive naturals, for example, 1786524 + ... + 1788916.
It is an arithmetic number, because the mean of its divisors is an integer number (87261300).
Almost surely, 24278013960 is an apocalyptic number.
4278013960 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 4278013960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5584723200).
4278013960 is an abundant number, since it is smaller than the sum of its proper divisors (6891432440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4278013960 is a wasteful number, since it uses less digits than its factorization.
4278013960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2671 (or 2667 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 4278013960 is about 65406.5284203343. The cubic root of 4278013960 is about 1623.3571037516.
The spelling of 4278013960 in words is "four billion, two hundred seventy-eight million, thirteen thousand, nine hundred sixty".
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