Base | Representation |
---|---|
bin | 11100010110010010… |
… | …101000000000001111 |
3 | 2220120022212211100020 |
4 | 130112102220000033 |
5 | 444314310033041 |
6 | 21552224033223 |
7 | 2125205060664 |
oct | 342622500017 |
9 | 86508784306 |
10 | 30438752271 |
11 | 119aa978114 |
12 | 5a95a62813 |
13 | 2b41254325 |
14 | 168a819a6b |
15 | bd23e4866 |
hex | 7164a800f |
30438752271 has 8 divisors (see below), whose sum is σ = 40843506864. Its totient is φ = 20163249600.
The previous prime is 30438752261. The next prime is 30438752329. The reversal of 30438752271 is 17225783403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-30438752271 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30438752251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32312430 + ... + 32313371.
It is an arithmetic number, because the mean of its divisors is an integer number (5105438358).
Almost surely, 230438752271 is an apocalyptic number.
30438752271 is a deficient number, since it is larger than the sum of its proper divisors (10404754593).
30438752271 is a wasteful number, since it uses less digits than its factorization.
30438752271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64625961.
The product of its (nonzero) digits is 282240, while the sum is 42.
The spelling of 30438752271 in words is "thirty billion, four hundred thirty-eight million, seven hundred fifty-two thousand, two hundred seventy-one".
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