Base | Representation |
---|---|
bin | 11100100100001110… |
… | …010011011101111101 |
3 | 2221011121201110202221 |
4 | 130210032103131331 |
5 | 1000304130004410 |
6 | 22031334045341 |
7 | 2134043645005 |
oct | 344416233575 |
9 | 87147643687 |
10 | 30672500605 |
11 | 1200a91075a |
12 | 5b401a9851 |
13 | 2b7a7c6756 |
14 | 16ad8a5005 |
15 | be7bb84da |
hex | 72439377d |
30672500605 has 8 divisors (see below), whose sum is σ = 36811381464. Its totient is φ = 24535080000.
The previous prime is 30672500591. The next prime is 30672500623. The reversal of 30672500605 is 50600527603.
It can be written as a sum of positive squares in 4 ways, for example, as 2563295641 + 28109204964 = 50629^2 + 167658^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30672500605 - 27 = 30672500477 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318306 + ... + 403315.
It is an arithmetic number, because the mean of its divisors is an integer number (4601422683).
Almost surely, 230672500605 is an apocalyptic number.
It is an amenable number.
30672500605 is a deficient number, since it is larger than the sum of its proper divisors (6138880859).
30672500605 is an equidigital number, since it uses as much as digits as its factorization.
30672500605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 730127.
The product of its (nonzero) digits is 37800, while the sum is 34.
The spelling of 30672500605 in words is "thirty billion, six hundred seventy-two million, five hundred thousand, six hundred five".
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