Base | Representation |
---|---|
bin | 11100010000110011… |
… | …100100110110010101 |
3 | 2220022220201110010122 |
4 | 130100303210312111 |
5 | 444122230224210 |
6 | 21535135401325 |
7 | 2123006631113 |
oct | 342063446625 |
9 | 86286643118 |
10 | 30346726805 |
11 | 11962a3300a |
12 | 5a6b083245 |
13 | 2b281734a5 |
14 | 167c502ab3 |
15 | bc92b7b55 |
hex | 710ce4d95 |
30346726805 has 4 divisors (see below), whose sum is σ = 36416072172. Its totient is φ = 24277381440.
The previous prime is 30346726799. The next prime is 30346726847. The reversal of 30346726805 is 50862764303.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 10724880721 + 19621846084 = 103561^2 + 140078^2 .
It is a de Polignac number, because none of the positive numbers 2k-30346726805 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 3034672676 + ... + 3034672685.
It is an arithmetic number, because the mean of its divisors is an integer number (9104018043).
Almost surely, 230346726805 is an apocalyptic number.
It is an amenable number.
30346726805 is a deficient number, since it is larger than the sum of its proper divisors (6069345367).
30346726805 is an equidigital number, since it uses as much as digits as its factorization.
30346726805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6069345366.
The product of its (nonzero) digits is 725760, while the sum is 44.
The spelling of 30346726805 in words is "thirty billion, three hundred forty-six million, seven hundred twenty-six thousand, eight hundred five".
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