Base | Representation |
---|---|
bin | 11100000010011010… |
… | …011000101011110011 |
3 | 2212201002022202202010 |
4 | 130002122120223303 |
5 | 443123420223410 |
6 | 21455151454003 |
7 | 2114015223606 |
oct | 340232305363 |
9 | 85632282663 |
10 | 30105242355 |
11 | 11849696191 |
12 | 5a02227303 |
13 | 2aba122a96 |
14 | 165840233d |
15 | bb2eb6c20 |
hex | 702698af3 |
30105242355 has 32 divisors (see below), whose sum is σ = 49002577920. Its totient is φ = 15778264320.
The previous prime is 30105242347. The next prime is 30105242357. The reversal of 30105242355 is 55324250103.
It is not a de Polignac number, because 30105242355 - 23 = 30105242347 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30105242357) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3671310 + ... + 3679500.
It is an arithmetic number, because the mean of its divisors is an integer number (1531330560).
Almost surely, 230105242355 is an apocalyptic number.
30105242355 is a deficient number, since it is larger than the sum of its proper divisors (18897335565).
30105242355 is a wasteful number, since it uses less digits than its factorization.
30105242355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12411.
The product of its (nonzero) digits is 18000, while the sum is 30.
Adding to 30105242355 its reverse (55324250103), we get a palindrome (85429492458).
The spelling of 30105242355 in words is "thirty billion, one hundred five million, two hundred forty-two thousand, three hundred fifty-five".
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