Base | Representation |
---|---|
bin | 111111001100010… |
… | …1111011100110110 |
3 | 12110202221020121000 |
4 | 1332120233130312 |
5 | 13320311240110 |
6 | 550223504130 |
7 | 103355142006 |
oct | 17630573466 |
9 | 5422836530 |
10 | 2120415030 |
11 | 998a12218 |
12 | 4b2158046 |
13 | 27a3b8166 |
14 | 161882006 |
15 | c624b1c0 |
hex | 7e62f736 |
2120415030 has 32 divisors (see below), whose sum is σ = 5654440800. Its totient is φ = 565443936.
The previous prime is 2120415023. The next prime is 2120415047. The reversal of 2120415030 is 305140212.
2120415030 is a `hidden beast` number, since 2 + 120 + 41 + 503 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2120414994 and 2120415012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3926425 + ... + 3926964.
It is an arithmetic number, because the mean of its divisors is an integer number (176701275).
Almost surely, 22120415030 is an apocalyptic number.
2120415030 is an abundant number, since it is smaller than the sum of its proper divisors (3534025770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2120415030 is a wasteful number, since it uses less digits than its factorization.
2120415030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7853405 (or 7853399 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 2120415030 is about 46047.9644501253. The cubic root of 2120415030 is about 1284.7154825377.
Adding to 2120415030 its reverse (305140212), we get a palindrome (2425555242).
The spelling of 2120415030 in words is "two billion, one hundred twenty million, four hundred fifteen thousand, thirty".
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