Base | Representation |
---|---|
bin | 1111111011111101… |
… | …0101000000011100 |
3 | 102001010211121221020 |
4 | 3332333111000130 |
5 | 32230132421410 |
6 | 1544300404140 |
7 | 211004342652 |
oct | 37677250034 |
9 | 12033747836 |
10 | 4278013980 |
11 | 18a5911249 |
12 | 9b4846650 |
13 | 5323c2126 |
14 | 2c8242dd2 |
15 | 1a088ea70 |
hex | fefd501c |
4278013980 has 48 divisors (see below), whose sum is σ = 11982418560. Its totient is φ = 1140424768.
The previous prime is 4278013939. The next prime is 4278013991. The reversal of 4278013980 is 893108724.
It is a super-2 number, since 2×42780139802 = 36602807226150880800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202267 + ... + 222413.
It is an arithmetic number, because the mean of its divisors is an integer number (249633720).
Almost surely, 24278013980 is an apocalyptic number.
It is an amenable number.
4278013980 is an abundant number, since it is smaller than the sum of its proper divisors (7704404580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4278013980 is a wasteful number, since it uses less digits than its factorization.
4278013980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23698 (or 23696 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 4278013980 is about 65406.5285732242. The cubic root of 4278013980 is about 1623.3571062814.
The spelling of 4278013980 in words is "four billion, two hundred seventy-eight million, thirteen thousand, nine hundred eighty".
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