Base | Representation |
---|---|
bin | 11011111101111110… |
… | …101100101000110010 |
3 | 2212111220101112011112 |
4 | 123331332230220302 |
5 | 443000401001221 |
6 | 21443533513322 |
7 | 2112123140654 |
oct | 337576545062 |
9 | 85456345145 |
10 | 30030875186 |
11 | 11810712014 |
12 | 59a1342842 |
13 | 2aa78b5540 |
14 | 164c5a46d4 |
15 | bab6c715b |
hex | 6fdfaca32 |
30030875186 has 16 divisors (see below), whose sum is σ = 48539674008. Its totient is φ = 13852329600.
The previous prime is 30030875137. The next prime is 30030875191. The reversal of 30030875186 is 68157803003.
It can be written as a sum of positive squares in 4 ways, for example, as 18098589961 + 11932285225 = 134531^2 + 109235^2 .
It is a super-2 number, since 2×300308751862 (a number of 22 digits) contains 22 as substring.
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, 290825 + ... + 380316.
Almost surely, 230030875186 is an apocalyptic number.
30030875186 is a deficient number, since it is larger than the sum of its proper divisors (18508798822).
30030875186 is a wasteful number, since it uses less digits than its factorization.
30030875186 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 672877.
The product of its (nonzero) digits is 120960, while the sum is 41.
The spelling of 30030875186 in words is "thirty billion, thirty million, eight hundred seventy-five thousand, one hundred eighty-six".
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