Base | Representation |
---|---|
bin | 11100011101100110… |
… | …100101101001010101 |
3 | 2220212212201022001212 |
4 | 130131212211221111 |
5 | 1000042211113010 |
6 | 22012325231205 |
7 | 2131224556235 |
oct | 343546455125 |
9 | 86785638055 |
10 | 30561426005 |
11 | 11a63145770 |
12 | 5b0ab62505 |
13 | 2b607a6236 |
14 | 169cc2dcc5 |
15 | bdd077505 |
hex | 71d9a5a55 |
30561426005 has 8 divisors (see below), whose sum is σ = 40007685024. Its totient is φ = 22226491600.
The previous prime is 30561425977. The next prime is 30561426013. The reversal of 30561426005 is 50062416503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30561426005 - 26 = 30561425941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277831091 + ... + 277831200.
It is an arithmetic number, because the mean of its divisors is an integer number (5000960628).
Almost surely, 230561426005 is an apocalyptic number.
It is an amenable number.
30561426005 is a deficient number, since it is larger than the sum of its proper divisors (9446259019).
30561426005 is a wasteful number, since it uses less digits than its factorization.
30561426005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 555662307.
The product of its (nonzero) digits is 21600, while the sum is 32.
The spelling of 30561426005 in words is "thirty billion, five hundred sixty-one million, four hundred twenty-six thousand, five".
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