Base | Representation |
---|---|
bin | 111110101010000… |
… | …0001101110101000 |
3 | 12102112001002022021 |
4 | 1331110001232220 |
5 | 13301203330320 |
6 | 544341434224 |
7 | 103046056531 |
oct | 17524015650 |
9 | 5375032267 |
10 | 2102401960 |
11 | 98982978a |
12 | 4a810b974 |
13 | 27674c239 |
14 | 15d313688 |
15 | c488ddaa |
hex | 7d501ba8 |
2102401960 has 32 divisors (see below), whose sum is σ = 4733843400. Its totient is φ = 840349440.
The previous prime is 2102401949. The next prime is 2102401969. The reversal of 2102401960 is 691042012.
It can be written as a sum of positive squares in 4 ways, for example, as 472019076 + 1630382884 = 21726^2 + 40378^2 .
It is not an unprimeable number, because it can be changed into a prime (2102401969) 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, 38770 + ... + 75550.
Almost surely, 22102401960 is an apocalyptic number.
2102401960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2102401960 is an abundant number, since it is smaller than the sum of its proper divisors (2631441440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102401960 is a wasteful number, since it uses less digits than its factorization.
2102401960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38221 (or 38217 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 2102401960 is about 45851.9569920412. The cubic root of 2102401960 is about 1281.0672170426.
Adding to 2102401960 its reverse (691042012), we get a palindrome (2793443972).
The spelling of 2102401960 in words is "two billion, one hundred two million, four hundred one thousand, nine hundred sixty".
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