Base | Representation |
---|---|
bin | 1110111001101110… |
… | …00001111111101001 |
3 | 202122120010110101220 |
4 | 13130313001333221 |
5 | 112341044142110 |
6 | 3401511532253 |
7 | 402154054446 |
oct | 73467017751 |
9 | 22576113356 |
10 | 8000380905 |
11 | 3436008650 |
12 | 167338a089 |
13 | 9a66475ca |
14 | 55c7669cd |
15 | 31c573370 |
hex | 1dcdc1fe9 |
8000380905 has 64 divisors (see below), whose sum is σ = 14192879616. Its totient is φ = 3816000000.
The previous prime is 8000380889. The next prime is 8000380933. The reversal of 8000380905 is 5090830008.
8000380905 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8000380905 - 24 = 8000380889 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2664405 + ... + 2667405.
It is an arithmetic number, because the mean of its divisors is an integer number (221763744).
Almost surely, 28000380905 is an apocalyptic number.
It is an amenable number.
8000380905 is a deficient number, since it is larger than the sum of its proper divisors (6192498711).
8000380905 is a wasteful number, since it uses less digits than its factorization.
8000380905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3278.
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 8000380905 is about 89444.8483983287. The cubic root of 8000380905 is about 2000.0317415796.
The spelling of 8000380905 in words is "eight billion, three hundred eighty thousand, nine hundred five".
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