Base | Representation |
---|---|
bin | 11100000011111010… |
… | …110110110010111001 |
3 | 2212202211220120221121 |
4 | 130003322312302321 |
5 | 443201404002023 |
6 | 21501453505241 |
7 | 2114443202125 |
oct | 340372666271 |
9 | 85684816847 |
10 | 30130531513 |
11 | 11861999315 |
12 | 5a0a7a2221 |
13 | 2ac2438794 |
14 | 165b906585 |
15 | bb530ed5d |
hex | 703eb6cb9 |
30130531513 has 4 divisors (see below), whose sum is σ = 30263265360. Its totient is φ = 29997797668.
The previous prime is 30130531489. The next prime is 30130531573. The reversal of 30130531513 is 31513503103.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31513503103 = 2609 ⋅12078767.
It is a cyclic number.
It is not a de Polignac number, because 30130531513 - 25 = 30130531481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30130531573) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66366583 + ... + 66367036.
It is an arithmetic number, because the mean of its divisors is an integer number (7565816340).
Almost surely, 230130531513 is an apocalyptic number.
It is an amenable number.
30130531513 is a deficient number, since it is larger than the sum of its proper divisors (132733847).
30130531513 is a wasteful number, since it uses less digits than its factorization.
30130531513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132733846.
The product of its (nonzero) digits is 2025, while the sum is 25.
The spelling of 30130531513 in words is "thirty billion, one hundred thirty million, five hundred thirty-one thousand, five hundred thirteen".
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