Base | Representation |
---|---|
bin | 11100001011001000… |
… | …000110101100100000 |
3 | 2220002021102122002210 |
4 | 130023020012230200 |
5 | 443423332220044 |
6 | 21521453242120 |
7 | 2120442016503 |
oct | 341310065440 |
9 | 86067378083 |
10 | 30251445024 |
11 | 11914174439 |
12 | 5a43193340 |
13 | 2b114c2438 |
14 | 166d9bd13a |
15 | bc0c461b9 |
hex | 70b206b20 |
30251445024 has 48 divisors (see below), whose sum is σ = 79750917792. Its totient is φ = 10040529408.
The previous prime is 30251445019. The next prime is 30251445031. The reversal of 30251445024 is 42054415203.
It is a tau number, because it is divible by the number of its divisors (48).
It is a junction number, because it is equal to n+sod(n) for n = 30251444982 and 30251445000.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653854 + ... + 698589.
It is an arithmetic number, because the mean of its divisors is an integer number (1661477454).
Almost surely, 230251445024 is an apocalyptic number.
It is an amenable number.
30251445024 is an abundant number, since it is smaller than the sum of its proper divisors (49499472768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30251445024 is a wasteful number, since it uses less digits than its factorization.
30251445024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1352689 (or 1352681 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 30.
The spelling of 30251445024 in words is "thirty billion, two hundred fifty-one million, four hundred forty-five thousand, twenty-four".
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