Base | Representation |
---|---|
bin | 101000000110… |
… | …011010010100 |
3 | 201210001210002 |
4 | 220012122110 |
5 | 10142341040 |
6 | 1013150432 |
7 | 155231201 |
oct | 50063224 |
9 | 21701702 |
10 | 10512020 |
11 | 5a2a922 |
12 | 362b418 |
13 | 224093c |
14 | 1578ca8 |
15 | dc9a15 |
hex | a06694 |
10512020 has 48 divisors (see below), whose sum is σ = 23079168. Its totient is φ = 4018560.
The previous prime is 10512017. The next prime is 10512043. The reversal of 10512020 is 2021501.
It is a super-2 number, since 2×105120202 = 221005128960800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10511992 and 10512010.
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, 49715 + ... + 49925.
It is an arithmetic number, because the mean of its divisors is an integer number (480816).
Almost surely, 210512020 is an apocalyptic number.
10512020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10512020 is an abundant number, since it is smaller than the sum of its proper divisors (12567148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10512020 is a wasteful number, since it uses less digits than its factorization.
10512020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320 (or 318 counting only the distinct ones).
The product of its (nonzero) digits is 20, while the sum is 11.
The square root of 10512020 is about 3242.2245449691. The cubic root of 10512020 is about 219.0594835744.
Adding to 10512020 its reverse (2021501), we get a palindrome (12533521).
The spelling of 10512020 in words is "ten million, five hundred twelve thousand, twenty".
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