Base | Representation |
---|---|
bin | 111001011010… |
… | …1000111110010 |
3 | 2002122100011222 |
4 | 1302311013302 |
5 | 30201231002 |
6 | 2553105042 |
7 | 513601640 |
oct | 162650762 |
9 | 62570158 |
10 | 30102002 |
11 | 15aa0097 |
12 | a0b8182 |
13 | 630c548 |
14 | 3dd8190 |
15 | 29991a2 |
hex | 1cb51f2 |
30102002 has 32 divisors (see below), whose sum is σ = 55365120. Its totient is φ = 11980800.
The previous prime is 30101999. The next prime is 30102031. The reversal of 30102002 is 20020103.
It is a super-2 number, since 2×301020022 = 1812261048816008, which contains 22 as substring.
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, 18002 + ... + 19602.
It is an arithmetic number, because the mean of its divisors is an integer number (1730160).
Almost surely, 230102002 is an apocalyptic number.
30102002 is a deficient number, since it is larger than the sum of its proper divisors (25263118).
30102002 is a wasteful number, since it uses less digits than its factorization.
30102002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1706.
The product of its (nonzero) digits is 12, while the sum is 8.
The square root of 30102002 is about 5486.5291396292. The cubic root of 30102002 is about 311.0750121475.
Adding to 30102002 its reverse (20020103), we get a palindrome (50122105).
The spelling of 30102002 in words is "thirty million, one hundred two thousand, two".
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