Base | Representation |
---|---|
bin | 1110111001110101… |
… | …10111100100111011 |
3 | 202122122000120020200 |
4 | 13130322313210323 |
5 | 112341323334221 |
6 | 3401545253243 |
7 | 402165444225 |
oct | 73472674473 |
9 | 22578016220 |
10 | 8001386811 |
11 | 3436635380 |
12 | 1673794223 |
13 | 9a690a412 |
14 | 55c949415 |
15 | 31c6c1426 |
hex | 1dceb793b |
8001386811 has 24 divisors (see below), whose sum is σ = 12611991600. Its totient is φ = 4847884800.
The previous prime is 8001386807. The next prime is 8001386849. The reversal of 8001386811 is 1186831008.
It is not a de Polignac number, because 8001386811 - 22 = 8001386807 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8001386851) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390871 + ... + 410831.
It is an arithmetic number, because the mean of its divisors is an integer number (525499650).
Almost surely, 28001386811 is an apocalyptic number.
8001386811 is a deficient number, since it is larger than the sum of its proper divisors (4610604789).
8001386811 is a wasteful number, since it uses less digits than its factorization.
8001386811 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24027 (or 24024 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 36.
The square root of 8001386811 is about 89450.4712732135. The cubic root of 8001386811 is about 2000.1155609060.
The spelling of 8001386811 in words is "eight billion, one million, three hundred eighty-six thousand, eight hundred eleven".
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