Base | Representation |
---|---|
bin | 1111011111110111… |
… | …10011101011111100 |
3 | 210110212022010020120 |
4 | 13233323303223330 |
5 | 114020010300444 |
6 | 3453343014540 |
7 | 413121143211 |
oct | 75773635374 |
9 | 23425263216 |
10 | 8320400124 |
11 | 358a715843 |
12 | 174259a450 |
13 | a27a344aa |
14 | 58d06bb08 |
15 | 33a6d8b19 |
hex | 1efef3afc |
8320400124 has 96 divisors (see below), whose sum is σ = 21168322560. Its totient is φ = 2533939200.
The previous prime is 8320400119. The next prime is 8320400147. The reversal of 8320400124 is 4210040238.
It is a junction number, because it is equal to n+sod(n) for n = 8320400094 and 8320400103.
It is a congruent number.
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, 2210404 + ... + 2214164.
It is an arithmetic number, because the mean of its divisors is an integer number (220503360).
Almost surely, 28320400124 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 8320400124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10584161280).
8320400124 is an abundant number, since it is smaller than the sum of its proper divisors (12847922436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8320400124 is a wasteful number, since it uses less digits than its factorization.
8320400124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4131 (or 4129 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 8320400124 is about 91216.2273063297. The cubic root of 8320400124 is about 2026.3512902441.
The spelling of 8320400124 in words is "eight billion, three hundred twenty million, four hundred thousand, one hundred twenty-four".
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