Base | Representation |
---|---|
bin | 11100011010110111… |
… | …101011110001101010 |
3 | 2220202200102212120100 |
4 | 130122313223301222 |
5 | 444443441412124 |
6 | 22004010410230 |
7 | 2130130054425 |
oct | 343267536152 |
9 | 86680385510 |
10 | 30515575914 |
11 | 11a3a27992a |
12 | 5ab7730976 |
13 | 2b541419c5 |
14 | 1696ad69bc |
15 | bd901c1c9 |
hex | 71adebc6a |
30515575914 has 12 divisors (see below), whose sum is σ = 66117081186. Its totient is φ = 10171858632.
The previous prime is 30515575901. The next prime is 30515575967. The reversal of 30515575914 is 41957551503.
30515575914 is a `hidden beast` number, since 3 + 0 + 5 + 1 + 5 + 57 + 591 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 30056116689 + 459459225 = 173367^2 + 21435^2 .
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30515575914.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 847654869 + ... + 847654904.
Almost surely, 230515575914 is an apocalyptic number.
30515575914 is an abundant number, since it is smaller than the sum of its proper divisors (35601505272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30515575914 is a wasteful number, since it uses less digits than its factorization.
30515575914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1695309781 (or 1695309778 counting only the distinct ones).
The product of its (nonzero) digits is 472500, while the sum is 45.
The spelling of 30515575914 in words is "thirty billion, five hundred fifteen million, five hundred seventy-five thousand, nine hundred fourteen".
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