Base | Representation |
---|---|
bin | 1001000001001111… |
… | …0111000000000000 |
3 | 20020201202220021202 |
4 | 2100103313000000 |
5 | 14424302000440 |
6 | 1040125040332 |
7 | 113666136551 |
oct | 22023670000 |
9 | 6221686252 |
10 | 2421125120 |
11 | 1032731157 |
12 | 5769b60a8 |
13 | 2c77a421b |
14 | 18d79c328 |
15 | e284a615 |
hex | 904f7000 |
2421125120 has 52 divisors (see below), whose sum is σ = 5810040120. Its totient is φ = 968441856.
The previous prime is 2421125099. The next prime is 2421125143. The reversal of 2421125120 is 215211242.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 2421125092 and 2421125101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38630 + ... + 79589.
Almost surely, 22421125120 is an apocalyptic number.
2421125120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2421125120 is an abundant number, since it is smaller than the sum of its proper divisors (3388915000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2421125120 is an equidigital number, since it uses as much as digits as its factorization.
2421125120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118248 (or 118226 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 2421125120 is about 49204.9298343164. The cubic root of 2421125120 is about 1342.7827224704.
Adding to 2421125120 its reverse (215211242), we get a palindrome (2636336362).
The spelling of 2421125120 in words is "two billion, four hundred twenty-one million, one hundred twenty-five thousand, one hundred twenty".
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