Base | Representation |
---|---|
bin | 111100001101011… |
… | …000101101000100 |
3 | 2121101202112100102 |
4 | 330031120231010 |
5 | 4032044021040 |
6 | 244122503232 |
7 | 34014031316 |
oct | 7415305504 |
9 | 2541675312 |
10 | 1010142020 |
11 | 479220718 |
12 | 242364b18 |
13 | 13137b594 |
14 | 9822b7b6 |
15 | 5da36515 |
hex | 3c358b44 |
1010142020 has 12 divisors (see below), whose sum is σ = 2121298284. Its totient is φ = 404056800.
The previous prime is 1010142017. The next prime is 1010142041. The reversal of 1010142020 is 202410101.
It can be written as a sum of positive squares in 2 ways, for example, as 218507524 + 791634496 = 14782^2 + 28136^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1010141992 and 1010142010.
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, 25253531 + ... + 25253570.
It is an arithmetic number, because the mean of its divisors is an integer number (176774857).
Almost surely, 21010142020 is an apocalyptic number.
1010142020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1010142020 is an abundant number, since it is smaller than the sum of its proper divisors (1111156264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1010142020 is a wasteful number, since it uses less digits than its factorization.
1010142020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50507110 (or 50507108 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 1010142020 is about 31782.7314748119. The cubic root of 1010142020 is about 1003.3693083449.
Adding to 1010142020 its reverse (202410101), we get a palindrome (1212552121).
The spelling of 1010142020 in words is "one billion, ten million, one hundred forty-two thousand, twenty".
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