Base | Representation |
---|---|
bin | 11100011011111111… |
… | …010010011100100011 |
3 | 2220210222202112000101 |
4 | 130123333102130203 |
5 | 1000013243042111 |
6 | 22005521003231 |
7 | 2130445443313 |
oct | 343377223443 |
9 | 86728675011 |
10 | 30534346531 |
11 | 11a4992a537 |
12 | 5b01a83517 |
13 | 2b57cb4690 |
14 | 16993c1443 |
15 | bda9c8bc1 |
hex | 71bfd2723 |
30534346531 has 4 divisors (see below), whose sum is σ = 32883142432. Its totient is φ = 28185550632.
The previous prime is 30534346499. The next prime is 30534346543. The reversal of 30534346531 is 13564343503.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30534346531 - 25 = 30534346499 is a prime.
It is a super-2 number, since 2×305343465312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30534346231) 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, 1174397931 + ... + 1174397956.
It is an arithmetic number, because the mean of its divisors is an integer number (8220785608).
Almost surely, 230534346531 is an apocalyptic number.
30534346531 is a deficient number, since it is larger than the sum of its proper divisors (2348795901).
30534346531 is a wasteful number, since it uses less digits than its factorization.
30534346531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2348795900.
The product of its (nonzero) digits is 194400, while the sum is 37.
The spelling of 30534346531 in words is "thirty billion, five hundred thirty-four million, three hundred forty-six thousand, five hundred thirty-one".
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