Base | Representation |
---|---|
bin | 111110101010000… |
… | …1110101110111110 |
3 | 12102112010210101020 |
4 | 1331110032232332 |
5 | 13301212031410 |
6 | 544342525010 |
7 | 103046401041 |
oct | 17524165676 |
9 | 5375123336 |
10 | 2102455230 |
11 | 989865807 |
12 | 4a8136766 |
13 | 27676a565 |
14 | 15d328c58 |
15 | c489ea70 |
hex | 7d50ebbe |
2102455230 has 32 divisors (see below), whose sum is σ = 5153255424. Its totient is φ = 548725536.
The previous prime is 2102455211. The next prime is 2102455237. The reversal of 2102455230 is 325542012.
It is a self number, because there is not a number n which added to its sum of digits gives 2102455230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102455237) 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, 744142 + ... + 746961.
It is an arithmetic number, because the mean of its divisors is an integer number (161039232).
Almost surely, 22102455230 is an apocalyptic number.
2102455230 is an abundant number, since it is smaller than the sum of its proper divisors (3050800194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102455230 is a wasteful number, since it uses less digits than its factorization.
2102455230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1491160.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 2102455230 is about 45852.5378795983. The cubic root of 2102455230 is about 1281.0780367107.
Adding to 2102455230 its reverse (325542012), we get a palindrome (2427997242).
The spelling of 2102455230 in words is "two billion, one hundred two million, four hundred fifty-five thousand, two hundred thirty".
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