Base | Representation |
---|---|
bin | 111111010001010… |
… | …0111110100010000 |
3 | 12110221210211122020 |
4 | 1332202213310100 |
5 | 13321442131300 |
6 | 550355211440 |
7 | 103416150351 |
oct | 17642476420 |
9 | 5427724566 |
10 | 2123005200 |
11 | 99a421258 |
12 | 4b2ba6b80 |
13 | 27aab40c4 |
14 | 161d57d28 |
15 | c65ad8a0 |
hex | 7e8a7d10 |
2123005200 has 60 divisors (see below), whose sum is σ = 6800697168. Its totient is φ = 566134400.
The previous prime is 2123005189. The next prime is 2123005231. The reversal of 2123005200 is 25003212.
2123005200 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 2123005200.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 883386 + ... + 885785.
Almost surely, 22123005200 is an apocalyptic number.
2123005200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2123005200 is an abundant number, since it is smaller than the sum of its proper divisors (4677691968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2123005200 is a wasteful number, since it uses less digits than its factorization.
2123005200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1769192 (or 1769181 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 2123005200 is about 46076.0805624784. The cubic root of 2123005200 is about 1285.2383797739.
Adding to 2123005200 its reverse (25003212), we get a palindrome (2148008412).
The spelling of 2123005200 in words is "two billion, one hundred twenty-three million, five thousand, two hundred".
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