Base | Representation |
---|---|
bin | 111110101111110… |
… | …1010011011011110 |
3 | 12102201210001112010 |
4 | 1331133222123132 |
5 | 13302443433004 |
6 | 544531052050 |
7 | 103114022523 |
oct | 17537523336 |
9 | 5381701463 |
10 | 2105452254 |
11 | 990522494 |
12 | 4a9141026 |
13 | 277279749 |
14 | 15d8a914a |
15 | c4c92a89 |
hex | 7d7ea6de |
2105452254 has 16 divisors (see below), whose sum is σ = 4313610000. Its totient is φ = 684699840.
The previous prime is 2105452253. The next prime is 2105452267. The reversal of 2105452254 is 4522545012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105452253) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4279129 + ... + 4279620.
It is an arithmetic number, because the mean of its divisors is an integer number (269600625).
Almost surely, 22105452254 is an apocalyptic number.
2105452254 is an abundant number, since it is smaller than the sum of its proper divisors (2208157746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105452254 is a wasteful number, since it uses less digits than its factorization.
2105452254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8558795.
The product of its (nonzero) digits is 16000, while the sum is 30.
The square root of 2105452254 is about 45885.2073548764. The cubic root of 2105452254 is about 1281.6864680123.
Adding to 2105452254 its reverse (4522545012), we get a palindrome (6627997266).
The spelling of 2105452254 in words is "two billion, one hundred five million, four hundred fifty-two thousand, two hundred fifty-four".
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