Base | Representation |
---|---|
bin | 1111001100011110… |
… | …1001011110100100 |
3 | 101112021002222112120 |
4 | 3303013221132210 |
5 | 31323142242023 |
6 | 1512424145540 |
7 | 203035544400 |
oct | 36307513644 |
9 | 11467088476 |
10 | 4078868388 |
11 | 1803462211 |
12 | 95a0082b0 |
13 | 5000769ba |
14 | 2a9a04100 |
15 | 18d1538e3 |
hex | f31e97a4 |
4078868388 has 36 divisors (see below), whose sum is σ = 11071215792. Its totient is φ = 1165390800.
The previous prime is 4078868363. The next prime is 4078868389. The reversal of 4078868388 is 8838688704.
It is not an unprimeable number, because it can be changed into a prime (4078868389) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3467838 + ... + 3469013.
It is an arithmetic number, because the mean of its divisors is an integer number (307533772).
Almost surely, 24078868388 is an apocalyptic number.
It is an amenable number.
4078868388 is an abundant number, since it is smaller than the sum of its proper divisors (6992347404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4078868388 is a wasteful number, since it uses less digits than its factorization.
4078868388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6936872 (or 6936863 counting only the distinct ones).
The product of its (nonzero) digits is 16515072, while the sum is 60.
The square root of 4078868388 is about 63866.0190398619. The cubic root of 4078868388 is about 1597.7662041531.
The spelling of 4078868388 in words is "four billion, seventy-eight million, eight hundred sixty-eight thousand, three hundred eighty-eight".
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