Base | Representation |
---|---|
bin | 11100011101010110… |
… | …011010001000101001 |
3 | 2220212120201210220001 |
4 | 130131112122020221 |
5 | 1000040114401203 |
6 | 22012054303001 |
7 | 2131143532420 |
oct | 343526321051 |
9 | 86776653801 |
10 | 30557184553 |
11 | 11a60809035 |
12 | 5b09657a61 |
13 | 2b5c94c7bc |
14 | 169c4482b7 |
15 | bdc9da91d |
hex | 71d59a229 |
30557184553 has 4 divisors (see below), whose sum is σ = 34922496640. Its totient is φ = 26191872468.
The previous prime is 30557184547. The next prime is 30557184563. The reversal of 30557184553 is 35548175503.
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.
It is a cyclic number.
It is not a de Polignac number, because 30557184553 - 217 = 30557053481 is a prime.
It is a super-2 number, since 2×305571845532 (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 (30557184563) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2182656033 + ... + 2182656046.
It is an arithmetic number, because the mean of its divisors is an integer number (8730624160).
Almost surely, 230557184553 is an apocalyptic number.
It is an amenable number.
30557184553 is a deficient number, since it is larger than the sum of its proper divisors (4365312087).
30557184553 is an equidigital number, since it uses as much as digits as its factorization.
30557184553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4365312086.
The product of its (nonzero) digits is 1260000, while the sum is 46.
The spelling of 30557184553 in words is "thirty billion, five hundred fifty-seven million, one hundred eighty-four thousand, five hundred fifty-three".
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