Base | Representation |
---|---|
bin | 111110101001110… |
… | …0110001000001011 |
3 | 12102111211100020010 |
4 | 1331103212020023 |
5 | 13301141221112 |
6 | 544335203003 |
7 | 103045106115 |
oct | 17523461013 |
9 | 5374740203 |
10 | 2102288907 |
11 | 989761854 |
12 | 4a8076463 |
13 | 27670c944 |
14 | 15d2c43b5 |
15 | c486a63c |
hex | 7d4e620b |
2102288907 has 16 divisors (see below), whose sum is σ = 2825982720. Its totient is φ = 1390099872.
The previous prime is 2102288873. The next prime is 2102288921. The reversal of 2102288907 is 7098822012.
2102288907 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2102288907 - 27 = 2102288779 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2102288107) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223228 + ... + 232454.
It is an arithmetic number, because the mean of its divisors is an integer number (176623920).
Almost surely, 22102288907 is an apocalyptic number.
2102288907 is a deficient number, since it is larger than the sum of its proper divisors (723693813).
2102288907 is a wasteful number, since it uses less digits than its factorization.
2102288907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9842.
The product of its (nonzero) digits is 32256, while the sum is 39.
The square root of 2102288907 is about 45850.7241709441. The cubic root of 2102288907 is about 1281.0442542457.
The spelling of 2102288907 in words is "two billion, one hundred two million, two hundred eighty-eight thousand, nine hundred seven".
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