Base | Representation |
---|---|
bin | 11100001110110001… |
… | …011110010011110111 |
3 | 2220020112112201011220 |
4 | 130032301132103313 |
5 | 444040012340203 |
6 | 21531520401423 |
7 | 2122114013136 |
oct | 341661362367 |
9 | 86215481156 |
10 | 30312621303 |
11 | 11945759048 |
12 | 5a5b776273 |
13 | 2b21091913 |
14 | 1677b8591d |
15 | bc62cc653 |
hex | 70ec5e4f7 |
30312621303 has 16 divisors (see below), whose sum is σ = 41198578560. Its totient is φ = 19817894304.
The previous prime is 30312621281. The next prime is 30312621319.
It is a happy number.
30312621303 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 30312621303 - 225 = 30279066871 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30312621323) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307008 + ... + 393546.
It is an arithmetic number, because the mean of its divisors is an integer number (2574911160).
Almost surely, 230312621303 is an apocalyptic number.
30312621303 is a deficient number, since it is larger than the sum of its proper divisors (10885957257).
30312621303 is a wasteful number, since it uses less digits than its factorization.
30312621303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88798.
The product of its (nonzero) digits is 1944, while the sum is 24.
The spelling of 30312621303 in words is "thirty billion, three hundred twelve million, six hundred twenty-one thousand, three hundred three".
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