Base | Representation |
---|---|
bin | 11100101110011101… |
… | …011010111001111100 |
3 | 2221121120212111121110 |
4 | 130232131122321330 |
5 | 1001132111013023 |
6 | 22100351002020 |
7 | 2141230450341 |
oct | 345635327174 |
9 | 87546774543 |
10 | 30844235388 |
11 | 1209884862a |
12 | 5b89809310 |
13 | 2ba7265575 |
14 | 16c860a7c8 |
15 | c07cdca93 |
hex | 72e75ae7c |
30844235388 has 24 divisors (see below), whose sum is σ = 72668622208. Its totient is φ = 10181591856.
The previous prime is 30844235351. The next prime is 30844235419. The reversal of 30844235388 is 88353244803.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12476206 + ... + 12478677.
Almost surely, 230844235388 is an apocalyptic number.
It is an amenable number.
30844235388 is an abundant number, since it is smaller than the sum of its proper divisors (41824386820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30844235388 is a wasteful number, since it uses less digits than its factorization.
30844235388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24954993 (or 24954991 counting only the distinct ones).
The product of its (nonzero) digits is 2211840, while the sum is 48.
The spelling of 30844235388 in words is "thirty billion, eight hundred forty-four million, two hundred thirty-five thousand, three hundred eighty-eight".
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