Base | Representation |
---|---|
bin | 111111101111100… |
… | …0100011000100000 |
3 | 12112001121212210002 |
4 | 1333133010120200 |
5 | 13340021211343 |
6 | 552122555132 |
7 | 104000634521 |
oct | 17737043040 |
9 | 5461555702 |
10 | 2138850848 |
11 | 9a8364332 |
12 | 4b8368aa8 |
13 | 281171624 |
14 | 1640c0848 |
15 | c7b8d8b8 |
hex | 7f7c4620 |
2138850848 has 24 divisors (see below), whose sum is σ = 4258181340. Its totient is φ = 1057408000.
The previous prime is 2138850829. The next prime is 2138850853. The reversal of 2138850848 is 8480588312.
It can be written as a sum of positive squares in 2 ways, for example, as 1926507664 + 212343184 = 43892^2 + 14572^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372653 + ... + 378348.
Almost surely, 22138850848 is an apocalyptic number.
It is an amenable number.
2138850848 is a deficient number, since it is larger than the sum of its proper divisors (2119330492).
2138850848 is an equidigital number, since it uses as much as digits as its factorization.
2138850848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 751100 (or 751092 counting only the distinct ones).
The product of its (nonzero) digits is 491520, while the sum is 47.
The square root of 2138850848 is about 46247.7118136671. The cubic root of 2138850848 is about 1288.4280369473.
The spelling of 2138850848 in words is "two billion, one hundred thirty-eight million, eight hundred fifty thousand, eight hundred forty-eight".
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