Base | Representation |
---|---|
bin | 11100101110110000… |
… | …010110000000100100 |
3 | 2221121221012112101100 |
4 | 130232300112000210 |
5 | 1001134343233233 |
6 | 22101045200100 |
7 | 2141320561065 |
oct | 345660260044 |
9 | 87557175340 |
10 | 30849196068 |
11 | 120a0626669 |
12 | 5b8b400030 |
13 | 2ba82b1492 |
14 | 16c913c56c |
15 | c0846c813 |
hex | 72ec16024 |
30849196068 has 18 divisors (see below), whose sum is σ = 77979912374. Its totient is φ = 10283065344.
The previous prime is 30849196051. The next prime is 30849196073. The reversal of 30849196068 is 86069194803.
30849196068 is a `hidden beast` number, since 3 + 0 + 8 + 491 + 96 + 0 + 68 = 666.
It can be written as a sum of positive squares in only one way, i.e., 19090396224 + 11758799844 = 138168^2 + 108438^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 428461021 + ... + 428461092.
Almost surely, 230849196068 is an apocalyptic number.
It is an amenable number.
30849196068 is an abundant number, since it is smaller than the sum of its proper divisors (47130716306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30849196068 is a wasteful number, since it uses less digits than its factorization.
30849196068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 856922123 (or 856922118 counting only the distinct ones).
The product of its (nonzero) digits is 2239488, while the sum is 54.
The spelling of 30849196068 in words is "thirty billion, eight hundred forty-nine million, one hundred ninety-six thousand, sixty-eight".
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