Base | Representation |
---|---|
bin | 1101110010001011010001… |
… | …10101101010010000010101 |
3 | 10222022201212121200020002220 |
4 | 12321011220311222100111 |
5 | 12433110112313330140 |
6 | 144244501102252553 |
7 | 6245631224203632 |
oct | 671055065522025 |
9 | 128281777606086 |
10 | 30311343105045 |
11 | 9726a71a71032 |
12 | 349665b587159 |
13 | 13bb4692a6222 |
14 | 76b110b93189 |
15 | 3787031ecbd0 |
hex | 1b9168d6a415 |
30311343105045 has 32 divisors (see below), whose sum is σ = 48981175007232. Its totient is φ = 16005118992192.
The previous prime is 30311343105019. The next prime is 30311343105049. The reversal of 30311343105045 is 54050134311303.
It is not a de Polignac number, because 30311343105045 - 215 = 30311343072277 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30311343104997 and 30311343105015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30311343105049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3785784 + ... + 8657646.
It is an arithmetic number, because the mean of its divisors is an integer number (1530661718976).
Almost surely, 230311343105045 is an apocalyptic number.
It is an amenable number.
30311343105045 is a deficient number, since it is larger than the sum of its proper divisors (18669831902187).
30311343105045 is a wasteful number, since it uses less digits than its factorization.
30311343105045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4876001.
The product of its (nonzero) digits is 32400, while the sum is 33.
Adding to 30311343105045 its reverse (54050134311303), we get a palindrome (84361477416348).
The spelling of 30311343105045 in words is "thirty trillion, three hundred eleven billion, three hundred forty-three million, one hundred five thousand, forty-five".
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