Base | Representation |
---|---|
bin | 11100010000010101… |
… | …101010110111110001 |
3 | 2220022100222011011011 |
4 | 130100111222313301 |
5 | 444113223342103 |
6 | 21534255350521 |
7 | 2122553200021 |
oct | 342025526761 |
9 | 86270864134 |
10 | 30338887153 |
11 | 11959568a63 |
12 | 5a68522441 |
13 | 2b2665a043 |
14 | 167b461a81 |
15 | bc8769d6d |
hex | 71056adf1 |
30338887153 has 2 divisors, whose sum is σ = 30338887154. Its totient is φ = 30338887152.
The previous prime is 30338887093. The next prime is 30338887177. The reversal of 30338887153 is 35178883303.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15589270449 + 14749616704 = 124857^2 + 121448^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30338887153 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30338887097 and 30338887106.
It is not a weakly prime, because it can be changed into another prime (30338887253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15169443576 + 15169443577.
It is an arithmetic number, because the mean of its divisors is an integer number (15169443577).
Almost surely, 230338887153 is an apocalyptic number.
It is an amenable number.
30338887153 is a deficient number, since it is larger than the sum of its proper divisors (1).
30338887153 is an equidigital number, since it uses as much as digits as its factorization.
30338887153 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1451520, while the sum is 49.
The spelling of 30338887153 in words is "thirty billion, three hundred thirty-eight million, eight hundred eighty-seven thousand, one hundred fifty-three".
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