Base | Representation |
---|---|
bin | 11100010101011111… |
… | …001110100110000111 |
3 | 2220112101112022021211 |
4 | 130111133032212013 |
5 | 444302332410410 |
6 | 21551023152251 |
7 | 2124652413616 |
oct | 342537164607 |
9 | 86471468254 |
10 | 30425278855 |
11 | 119a3305364 |
12 | 5a91445687 |
13 | 2b3b5177aa |
14 | 1688b0d87d |
15 | bd113268a |
hex | 7157ce987 |
30425278855 has 8 divisors (see below), whose sum is σ = 36512739792. Its totient is φ = 24338619648.
The previous prime is 30425278841. The next prime is 30425278861. The reversal of 30425278855 is 55887252403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30425278855 - 211 = 30425276807 is a prime.
It is a super-2 number, since 2×304252788552 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30425278799 and 30425278808.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113514 + ... + 271543.
It is an arithmetic number, because the mean of its divisors is an integer number (4564092474).
Almost surely, 230425278855 is an apocalyptic number.
30425278855 is a deficient number, since it is larger than the sum of its proper divisors (6087460937).
30425278855 is a wasteful number, since it uses less digits than its factorization.
30425278855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400865.
The product of its (nonzero) digits is 2688000, while the sum is 49.
The spelling of 30425278855 in words is "thirty billion, four hundred twenty-five million, two hundred seventy-eight thousand, eight hundred fifty-five".
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