Base | Representation |
---|---|
bin | 111001011010… |
… | …1000111111010 |
3 | 2002122100012021 |
4 | 1302311013322 |
5 | 30201231020 |
6 | 2553105054 |
7 | 513601651 |
oct | 162650772 |
9 | 62570167 |
10 | 30102010 |
11 | 15aa00a4 |
12 | a0b818a |
13 | 630c553 |
14 | 3dd8198 |
15 | 29991aa |
hex | 1cb51fa |
30102010 has 16 divisors (see below), whose sum is σ = 54743976. Its totient is φ = 11916288.
The previous prime is 30101999. The next prime is 30102031. The reversal of 30102010 is 1020103.
It can be written as a sum of positive squares in 4 ways, for example, as 25492401 + 4609609 = 5049^2 + 2147^2 .
It is a super-2 number, since 2×301020102 = 1812262012080200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30101984 and 30102002.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14547 + ... + 16486.
Almost surely, 230102010 is an apocalyptic number.
30102010 is a deficient number, since it is larger than the sum of its proper divisors (24641966).
30102010 is a wasteful number, since it uses less digits than its factorization.
30102010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31137.
The product of its (nonzero) digits is 6, while the sum is 7.
The square root of 30102010 is about 5486.5298686875. The cubic root of 30102010 is about 311.0750397049.
Adding to 30102010 its reverse (1020103), we get a palindrome (31122113).
The spelling of 30102010 in words is "thirty million, one hundred two thousand, ten".
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