Base | Representation |
---|---|
bin | 1101000101111001… |
… | …11000011000000000 |
3 | 200010211222212010100 |
4 | 12202330320120000 |
5 | 103343340221330 |
6 | 3121244202400 |
7 | 336116055525 |
oct | 64274703000 |
9 | 20124885110 |
10 | 7028835840 |
11 | 2a8765a444 |
12 | 1441b39400 |
13 | 880291080 |
14 | 4a970514c |
15 | 2b2113060 |
hex | 1a2f38600 |
7028835840 has 480 divisors, whose sum is σ = 27096765696. Its totient is φ = 1672151040.
The previous prime is 7028835829. The next prime is 7028835881. The reversal of 7028835840 is 485388207.
It is a tau number, because it is divible by the number of its divisors (480).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9284742 + ... + 9285498.
Almost surely, 27028835840 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 7028835840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13548382848).
7028835840 is an abundant number, since it is smaller than the sum of its proper divisors (20067929856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7028835840 is a wasteful number, since it uses less digits than its factorization.
7028835840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 830 (or 811 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 45.
The square root of 7028835840 is about 83838.1526514033. The cubic root of 7028835840 is about 1915.5542973869.
The spelling of 7028835840 in words is "seven billion, twenty-eight million, eight hundred thirty-five thousand, eight hundred forty".
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