Base | Representation |
---|---|
bin | 111111101110000… |
… | …0101101001101010 |
3 | 12112000011012010100 |
4 | 1333130011221222 |
5 | 13334321211420 |
6 | 552054130230 |
7 | 103661202045 |
oct | 17734055152 |
9 | 5460135110 |
10 | 2138069610 |
11 | 9a7980386 |
12 | 4b8050976 |
13 | 280c59b61 |
14 | 163d59c5c |
15 | c7a87190 |
hex | 7f705a6a |
2138069610 has 48 divisors (see below), whose sum is σ = 5608202184. Its totient is φ = 565103616.
The previous prime is 2138069603. The next prime is 2138069611. The reversal of 2138069610 is 169608312.
2138069610 is a `hidden beast` number, since 2 + 1 + 38 + 0 + 6 + 9 + 610 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 1523575089 + 614494521 = 39033^2 + 24789^2 .
It is not an unprimeable number, because it can be changed into a prime (2138069611) 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, 94947 + ... + 115286.
Almost surely, 22138069610 is an apocalyptic number.
2138069610 is an abundant number, since it is smaller than the sum of its proper divisors (3470132574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2138069610 is a wasteful number, since it uses less digits than its factorization.
2138069610 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210359 (or 210356 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 2138069610 is about 46239.2648081693. The cubic root of 2138069610 is about 1288.2711471667.
The spelling of 2138069610 in words is "two billion, one hundred thirty-eight million, sixty-nine thousand, six hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •