Base | Representation |
---|---|
bin | 11100100110101010… |
… | …101110110110010000 |
3 | 2221021110212211021022 |
4 | 130212222232312100 |
5 | 1000400124212331 |
6 | 22035401015012 |
7 | 2135052334550 |
oct | 344652566620 |
9 | 87243784238 |
10 | 30713507216 |
11 | 12030a79617 |
12 | 5b51a84468 |
13 | 2b86153512 |
14 | 16b50db160 |
15 | beb5b867b |
hex | 726aaed90 |
30713507216 has 80 divisors (see below), whose sum is σ = 68475331584. Its totient is φ = 13072829952.
The previous prime is 30713507197. The next prime is 30713507233. The reversal of 30713507216 is 61270531703.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19040426 + ... + 19042038.
Almost surely, 230713507216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30713507216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34237665792).
30713507216 is an abundant number, since it is smaller than the sum of its proper divisors (37761824368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30713507216 is a wasteful number, since it uses less digits than its factorization.
30713507216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2688 (or 2682 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 35.
The spelling of 30713507216 in words is "thirty billion, seven hundred thirteen million, five hundred seven thousand, two hundred sixteen".
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