Base | Representation |
---|---|
bin | 11100011100000011… |
… | …101111110100100001 |
3 | 2220211001221220102202 |
4 | 130130003233310201 |
5 | 1000014042443200 |
6 | 22010002022545 |
7 | 2130461412212 |
oct | 343403576441 |
9 | 86731856382 |
10 | 30535515425 |
11 | 11a4a558768 |
12 | 5b02347a55 |
13 | 2b5830372c |
14 | 1699607409 |
15 | bdab5a1d5 |
hex | 71c0efd21 |
30535515425 has 12 divisors (see below), whose sum is σ = 37872740796. Its totient is φ = 24422798400.
The previous prime is 30535515421. The next prime is 30535515449. The reversal of 30535515425 is 52451553503.
It can be written as a sum of positive squares in 6 ways, for example, as 628655329 + 29906860096 = 25073^2 + 172936^2 .
It is not a de Polignac number, because 30535515425 - 22 = 30535515421 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30535515421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27614 + ... + 248663.
It is an arithmetic number, because the mean of its divisors is an integer number (3156061733).
Almost surely, 230535515425 is an apocalyptic number.
It is an amenable number.
30535515425 is a deficient number, since it is larger than the sum of its proper divisors (7337225371).
30535515425 is a wasteful number, since it uses less digits than its factorization.
30535515425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280708 (or 280703 counting only the distinct ones).
The product of its (nonzero) digits is 225000, while the sum is 38.
The spelling of 30535515425 in words is "thirty billion, five hundred thirty-five million, five hundred fifteen thousand, four hundred twenty-five".
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