Base | Representation |
---|---|
bin | 11100001110100001… |
… | …110101101000110000 |
3 | 2220020020211110202000 |
4 | 130032201311220300 |
5 | 444032440210134 |
6 | 21531252454000 |
7 | 2122034122326 |
oct | 341641655060 |
9 | 86206743660 |
10 | 30308522544 |
11 | 11943409643 |
12 | 5a5a31a300 |
13 | 2b20288111 |
14 | 16773d9d16 |
15 | bc5c6ce99 |
hex | 70e875a30 |
30308522544 has 80 divisors (see below), whose sum is σ = 87204835200. Its totient is φ = 10078668864.
The previous prime is 30308522521. The next prime is 30308522549. The reversal of 30308522544 is 44522580303.
30308522544 is a `hidden beast` number, since 3 + 0 + 30 + 85 + 2 + 2 + 544 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 30308522499 and 30308522508.
It is not an unprimeable number, because it can be changed into a prime (30308522549) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97287 + ... + 264729.
It is an arithmetic number, because the mean of its divisors is an integer number (1090060440).
Almost surely, 230308522544 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 30308522544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43602417600).
30308522544 is an abundant number, since it is smaller than the sum of its proper divisors (56896312656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30308522544 is a wasteful number, since it uses less digits than its factorization.
30308522544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167879 (or 167867 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 36.
The spelling of 30308522544 in words is "thirty billion, three hundred eight million, five hundred twenty-two thousand, five hundred forty-four".
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