Base | Representation |
---|---|
bin | 1110101001111110… |
… | …10110100000110100 |
3 | 202022100200022022221 |
4 | 13110333112200310 |
5 | 112103244004442 |
6 | 3340433532124 |
7 | 365661552340 |
oct | 72477264064 |
9 | 22270608287 |
10 | 7868344372 |
11 | 3378525649 |
12 | 1637114044 |
13 | 985197b95 |
14 | 548dd6620 |
15 | 310b91467 |
hex | 1d4fd6834 |
7868344372 has 96 divisors (see below), whose sum is σ = 17294170880. Its totient is φ = 3056901120.
The previous prime is 7868344369. The next prime is 7868344373. The reversal of 7868344372 is 2734438687.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7868344373) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1197448 + ... + 1204000.
Almost surely, 27868344372 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 7868344372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8647085440).
7868344372 is an abundant number, since it is smaller than the sum of its proper divisors (9425826508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7868344372 is a wasteful number, since it uses less digits than its factorization.
7868344372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6681 (or 6679 counting only the distinct ones).
The product of its digits is 5419008, while the sum is 52.
The square root of 7868344372 is about 88703.6886042514. The cubic root of 7868344372 is about 1988.9679565643.
The spelling of 7868344372 in words is "seven billion, eight hundred sixty-eight million, three hundred forty-four thousand, three hundred seventy-two".
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