Base | Representation |
---|---|
bin | 11100010110110111… |
… | …000000001111010101 |
3 | 2220120222211022220020 |
4 | 130112313000033111 |
5 | 444324230214400 |
6 | 21553204255353 |
7 | 2125352120031 |
oct | 342667001725 |
9 | 86528738806 |
10 | 30448288725 |
11 | 11a052a0a88 |
12 | 5a990a1559 |
13 | 2b43212bba |
14 | 168bbbd1c1 |
15 | bd317a2a0 |
hex | 716dc03d5 |
30448288725 has 24 divisors (see below), whose sum is σ = 50400018240. Its totient is φ = 16220104320.
The previous prime is 30448288723. The next prime is 30448288733. The reversal of 30448288725 is 52788284403.
It is not a de Polignac number, because 30448288725 - 21 = 30448288723 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30448288721) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172585 + ... + 301134.
It is an arithmetic number, because the mean of its divisors is an integer number (2100000760).
Almost surely, 230448288725 is an apocalyptic number.
It is an amenable number.
30448288725 is a deficient number, since it is larger than the sum of its proper divisors (19951729515).
30448288725 is a wasteful number, since it uses less digits than its factorization.
30448288725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474589 (or 474584 counting only the distinct ones).
The product of its (nonzero) digits is 3440640, while the sum is 51.
The spelling of 30448288725 in words is "thirty billion, four hundred forty-eight million, two hundred eighty-eight thousand, seven hundred twenty-five".
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