Base | Representation |
---|---|
bin | 11100011011010100… |
… | …100011010001001101 |
3 | 2220210012200022222212 |
4 | 130123110203101031 |
5 | 1000002411040440 |
6 | 22004440520205 |
7 | 2130251302550 |
oct | 343324432115 |
9 | 86705608885 |
10 | 30523143245 |
11 | 11a43578321 |
12 | 5aba180065 |
13 | 2b5589120a |
14 | 1697b06697 |
15 | bd9a14465 |
hex | 71b52344d |
30523143245 has 8 divisors (see below), whose sum is σ = 41860310784. Its totient is φ = 20930155344.
The previous prime is 30523143223. The next prime is 30523143251. The reversal of 30523143245 is 54234132503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30523143245 - 26 = 30523143181 is a prime.
It is a Duffinian number.
It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 436044869 + ... + 436044938.
It is an arithmetic number, because the mean of its divisors is an integer number (5232538848).
Almost surely, 230523143245 is an apocalyptic number.
30523143245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30523143245 is a deficient number, since it is larger than the sum of its proper divisors (11337167539).
30523143245 is an equidigital number, since it uses as much as digits as its factorization.
30523143245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 872089819.
The product of its (nonzero) digits is 43200, while the sum is 32.
Adding to 30523143245 its reverse (54234132503), we get a palindrome (84757275748).
The spelling of 30523143245 in words is "thirty billion, five hundred twenty-three million, one hundred forty-three thousand, two hundred forty-five".
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