Base | Representation |
---|---|
bin | 11100011011010100… |
… | …011100100001010101 |
3 | 2220210012121221002011 |
4 | 130123110130201111 |
5 | 1000002404144410 |
6 | 22004440144221 |
7 | 2130251126143 |
oct | 343324344125 |
9 | 86705557064 |
10 | 30523115605 |
11 | 11a43559584 |
12 | 5aba168071 |
13 | 2b55881768 |
14 | 1697ada593 |
15 | bd9a0b18a |
hex | 71b51c855 |
30523115605 has 8 divisors (see below), whose sum is σ = 36644125752. Its totient is φ = 24407567808.
The previous prime is 30523115599. The next prime is 30523115629. The reversal of 30523115605 is 50651132503.
It can be written as a sum of positive squares in 4 ways, for example, as 11662488049 + 18860627556 = 107993^2 + 137334^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30523115605 - 29 = 30523115093 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 7 ways as a sum of consecutive naturals, for example, 1353282 + ... + 1375651.
It is an arithmetic number, because the mean of its divisors is an integer number (4580515719).
Almost surely, 230523115605 is an apocalyptic number.
It is an amenable number.
30523115605 is a deficient number, since it is larger than the sum of its proper divisors (6121010147).
30523115605 is a wasteful number, since it uses less digits than its factorization.
30523115605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2731175.
The product of its (nonzero) digits is 13500, while the sum is 31.
The spelling of 30523115605 in words is "thirty billion, five hundred twenty-three million, one hundred fifteen thousand, six hundred five".
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