Base | Representation |
---|---|
bin | 11100101111110111… |
… | …011000101001111101 |
3 | 2221200020020200102111 |
4 | 130233313120221331 |
5 | 1001204130203013 |
6 | 22102552254021 |
7 | 2141635063534 |
oct | 345767305175 |
9 | 87606220374 |
10 | 30867819133 |
11 | 12100096428 |
12 | 5b956a1311 |
13 | 2bac101c48 |
14 | 16cb7c931b |
15 | c09dea73d |
hex | 72fdd8a7d |
30867819133 has 16 divisors (see below), whose sum is σ = 31353246720. Its totient is φ = 30386877696.
The previous prime is 30867819113. The next prime is 30867819149. The reversal of 30867819133 is 33191876803.
It is a cyclic number.
It is not a de Polignac number, because 30867819133 - 225 = 30834264701 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30867819113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11154316 + ... + 11157082.
It is an arithmetic number, because the mean of its divisors is an integer number (1959577920).
Almost surely, 230867819133 is an apocalyptic number.
It is an amenable number.
30867819133 is a deficient number, since it is larger than the sum of its proper divisors (485427587).
30867819133 is a wasteful number, since it uses less digits than its factorization.
30867819133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3516.
The product of its (nonzero) digits is 653184, while the sum is 49.
The spelling of 30867819133 in words is "thirty billion, eight hundred sixty-seven million, eight hundred nineteen thousand, one hundred thirty-three".
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