Base | Representation |
---|---|
bin | 1111010110101111… |
… | …11101010011110010 |
3 | 210021112100011212112 |
4 | 13223113331103302 |
5 | 113340414042430 |
6 | 3442011125322 |
7 | 411201636620 |
oct | 75327752362 |
9 | 23245304775 |
10 | 8243893490 |
11 | 3550510218 |
12 | 1720a43842 |
13 | a14c281b1 |
14 | 582c34510 |
15 | 333b25195 |
hex | 1eb5fd4f2 |
8243893490 has 16 divisors (see below), whose sum is σ = 16958866752. Its totient is φ = 2826477744.
The previous prime is 8243893477. The next prime is 8243893501. The reversal of 8243893490 is 943983428.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58884884 + ... + 58885023.
It is an arithmetic number, because the mean of its divisors is an integer number (1059929172).
Almost surely, 28243893490 is an apocalyptic number.
8243893490 is an abundant number, since it is smaller than the sum of its proper divisors (8714973262).
8243893490 is a wasteful number, since it uses less digits than its factorization.
8243893490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117769921.
The product of its (nonzero) digits is 1492992, while the sum is 50.
The square root of 8243893490 is about 90795.8891690587. The cubic root of 8243893490 is about 2020.1213443754.
The spelling of 8243893490 in words is "eight billion, two hundred forty-three million, eight hundred ninety-three thousand, four hundred ninety".
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