Base | Representation |
---|---|
bin | 11100011011010100… |
… | …001100000011111111 |
3 | 2220210012111111121100 |
4 | 130123110030003333 |
5 | 1000002400020231 |
6 | 22004434504143 |
7 | 2130250425456 |
oct | 343324140377 |
9 | 86705444540 |
10 | 30523048191 |
11 | 11a43512969 |
12 | 5aba135053 |
13 | 2b55859b7c |
14 | 1697abdb9d |
15 | bd99e61e6 |
hex | 71b50c0ff |
30523048191 has 24 divisors (see below), whose sum is σ = 46688981040. Its totient is φ = 19148979456.
The previous prime is 30523048189. The next prime is 30523048243. The reversal of 30523048191 is 19184032503.
30523048191 is a `hidden beast` number, since 3 + 0 + 523 + 0 + 48 + 1 + 91 = 666.
It is not a de Polignac number, because 30523048191 - 21 = 30523048189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30523043191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1877325 + ... + 1893513.
It is an arithmetic number, because the mean of its divisors is an integer number (1945374210).
Almost surely, 230523048191 is an apocalyptic number.
30523048191 is a deficient number, since it is larger than the sum of its proper divisors (16165932849).
30523048191 is a wasteful number, since it uses less digits than its factorization.
30523048191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28535 (or 28532 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The spelling of 30523048191 in words is "thirty billion, five hundred twenty-three million, forty-eight thousand, one hundred ninety-one".
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