Base | Representation |
---|---|
bin | 111100001101000… |
… | …0101100000110000 |
3 | 12012210011221001120 |
4 | 1320122011200300 |
5 | 13114121313430 |
6 | 532241502240 |
7 | 101026413510 |
oct | 17032054060 |
9 | 5183157046 |
10 | 2020104240 |
11 | 947329240 |
12 | 484641980 |
13 | 26269606b |
14 | 15240d840 |
15 | bc534610 |
hex | 78685830 |
2020104240 has 160 divisors (see below), whose sum is σ = 7807643136. Its totient is φ = 419758080.
The previous prime is 2020104239. The next prime is 2020104269. The reversal of 2020104240 is 424010202.
It is a super-2 number, since 2×20201042402 = 8161642280931955200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36177 + ... + 73136.
Almost surely, 22020104240 is an apocalyptic number.
2020104240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2020104240 is an abundant number, since it is smaller than the sum of its proper divisors (5787538896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020104240 is a wasteful number, since it uses less digits than its factorization.
2020104240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109347 (or 109341 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 2020104240 is about 44945.5697483078. The cubic root of 2020104240 is about 1264.1286087961.
Adding to 2020104240 its reverse (424010202), we get a palindrome (2444114442).
The spelling of 2020104240 in words is "two billion, twenty million, one hundred four thousand, two hundred forty".
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