Base | Representation |
---|---|
bin | 11100011101001011… |
… | …100001101111110001 |
3 | 2220212101100220010022 |
4 | 130131023201233301 |
5 | 1000033402112040 |
6 | 22011513213225 |
7 | 2131110352361 |
oct | 343513415761 |
9 | 86771326108 |
10 | 30554332145 |
11 | 11a5a13aa77 |
12 | 5b08701215 |
13 | 2b5c19139c |
14 | 169bd049a1 |
15 | bdc6256b5 |
hex | 71d2e1bf1 |
30554332145 has 8 divisors (see below), whose sum is σ = 36667031400. Its totient is φ = 24442243840.
The previous prime is 30554332139. The next prime is 30554332153. The reversal of 30554332145 is 54123345503.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 6667702336 + 23886629809 = 81656^2 + 154553^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30554332145 - 214 = 30554315761 is a prime.
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, 34370 + ... + 249579.
It is an arithmetic number, because the mean of its divisors is an integer number (4583378925).
Almost surely, 230554332145 is an apocalyptic number.
It is an amenable number.
30554332145 is a deficient number, since it is larger than the sum of its proper divisors (6112699255).
30554332145 is a wasteful number, since it uses less digits than its factorization.
30554332145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305475.
The product of its (nonzero) digits is 108000, while the sum is 35.
Adding to 30554332145 its reverse (54123345503), we get a palindrome (84677677648).
The spelling of 30554332145 in words is "thirty billion, five hundred fifty-four million, three hundred thirty-two thousand, one hundred forty-five".
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