Base | Representation |
---|---|
bin | 11100010100010010… |
… | …011011000111000110 |
3 | 2220110222122101212121 |
4 | 130110102123013012 |
5 | 444232204120110 |
6 | 21545023440154 |
7 | 2124316316461 |
oct | 342422330706 |
9 | 86428571777 |
10 | 30405145030 |
11 | 11992a03537 |
12 | 5a8675605a |
13 | 2b372b84a0 |
14 | 168618c2d8 |
15 | bce4a6cda |
hex | 71449b1c6 |
30405145030 has 32 divisors (see below), whose sum is σ = 60840476928. Its totient is φ = 10864368000.
The previous prime is 30405144989. The next prime is 30405145063. The reversal of 30405145030 is 3054150403.
It is a super-3 number, since 3×304051450303 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30405144986 and 30405145004.
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, 3768321 + ... + 3776380.
It is an arithmetic number, because the mean of its divisors is an integer number (1901264904).
Almost surely, 230405145030 is an apocalyptic number.
30405145030 is an abundant number, since it is smaller than the sum of its proper divisors (30435331898).
30405145030 is a wasteful number, since it uses less digits than its factorization.
30405145030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7544752.
The product of its (nonzero) digits is 3600, while the sum is 25.
Adding to 30405145030 its reverse (3054150403), we get a palindrome (33459295433).
The spelling of 30405145030 in words is "thirty billion, four hundred five million, one hundred forty-five thousand, thirty".
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