Base | Representation |
---|---|
bin | 11100010101011111… |
… | …110101001011000101 |
3 | 2220112101211100001012 |
4 | 130111133311023011 |
5 | 444302402434434 |
6 | 21551030412005 |
7 | 2124653642402 |
oct | 342537651305 |
9 | 86471740035 |
10 | 30425436869 |
11 | 119a3403053 |
12 | 5a91501005 |
13 | 2b3b5716a9 |
14 | 1688b512a9 |
15 | bd11643ce |
hex | 7157f52c5 |
30425436869 has 2 divisors, whose sum is σ = 30425436870. Its totient is φ = 30425436868.
The previous prime is 30425436841. The next prime is 30425436883. The reversal of 30425436869 is 96863452403.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29976420769 + 449016100 = 173137^2 + 21190^2 .
It is a cyclic number.
It is not a de Polignac number, because 30425436869 - 224 = 30408659653 is a prime.
It is a super-2 number, since 2×304254368692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30425436829) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15212718434 + 15212718435.
It is an arithmetic number, because the mean of its divisors is an integer number (15212718435).
Almost surely, 230425436869 is an apocalyptic number.
It is an amenable number.
30425436869 is a deficient number, since it is larger than the sum of its proper divisors (1).
30425436869 is an equidigital number, since it uses as much as digits as its factorization.
30425436869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3732480, while the sum is 50.
The spelling of 30425436869 in words is "thirty billion, four hundred twenty-five million, four hundred thirty-six thousand, eight hundred sixty-nine".
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