Base | Representation |
---|---|
bin | 1110101001111100… |
… | …00010110001000001 |
3 | 202022100000212210020 |
4 | 13110332002301001 |
5 | 112103202020340 |
6 | 3340422324053 |
7 | 365655623301 |
oct | 72476026101 |
9 | 22270025706 |
10 | 7868001345 |
11 | 3378310956 |
12 | 1636b89629 |
13 | 9850a79c9 |
14 | 548d47601 |
15 | 310b249d0 |
hex | 1d4f82c41 |
7868001345 has 128 divisors (see below), whose sum is σ = 14204436480. Its totient is φ = 3704279040.
The previous prime is 7868001341. The next prime is 7868001359. The reversal of 7868001345 is 5431008687.
It is not a de Polignac number, because 7868001345 - 22 = 7868001341 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7868001297 and 7868001306.
It is not an unprimeable number, because it can be changed into a prime (7868001341) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23347017 + ... + 23347353.
It is an arithmetic number, because the mean of its divisors is an integer number (110972160).
Almost surely, 27868001345 is an apocalyptic number.
It is an amenable number.
7868001345 is a deficient number, since it is larger than the sum of its proper divisors (6336435135).
7868001345 is a wasteful number, since it uses less digits than its factorization.
7868001345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 495.
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 7868001345 is about 88701.7550277332. The cubic root of 7868001345 is about 1988.9390525749.
The spelling of 7868001345 in words is "seven billion, eight hundred sixty-eight million, one thousand, three hundred forty-five".
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