Base | Representation |
---|---|
bin | 1010100010111010… |
… | …0101101010111011 |
3 | 21022021121210021201 |
4 | 2220232211222323 |
5 | 21244140111321 |
6 | 1144521315031 |
7 | 130102164052 |
oct | 25056455273 |
9 | 7267553251 |
10 | 2830785211 |
11 | 12229a4911 |
12 | 670035a77 |
13 | 361618747 |
14 | 1cbd59399 |
15 | 1187bb291 |
hex | a8ba5abb |
2830785211 has 4 divisors (see below), whose sum is σ = 2832000912. Its totient is φ = 2829569512.
The previous prime is 2830785197. The next prime is 2830785227. The reversal of 2830785211 is 1125870382.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2830785211 - 229 = 2293914299 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2830785271) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604351 + ... + 609016.
It is an arithmetic number, because the mean of its divisors is an integer number (708000228).
Almost surely, 22830785211 is an apocalyptic number.
2830785211 is a deficient number, since it is larger than the sum of its proper divisors (1215701).
2830785211 is a wasteful number, since it uses less digits than its factorization.
2830785211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1215700.
The product of its (nonzero) digits is 26880, while the sum is 37.
The square root of 2830785211 is about 53205.1239167808. The cubic root of 2830785211 is about 1414.6064675794.
The spelling of 2830785211 in words is "two billion, eight hundred thirty million, seven hundred eighty-five thousand, two hundred eleven".
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