Base | Representation |
---|---|
bin | 1011100100010011… |
… | …0000100101100001 |
3 | 22000101122222220101 |
4 | 2321010300211201 |
5 | 22324342020140 |
6 | 1232035342401 |
7 | 136642225006 |
oct | 27104604541 |
9 | 8011588811 |
10 | 3105032545 |
11 | 13537899aa |
12 | 727a51a01 |
13 | 3a639a884 |
14 | 2165478ad |
15 | 1328de99a |
hex | b9130961 |
3105032545 has 16 divisors (see below), whose sum is σ = 3910540032. Its totient is φ = 2362275520.
The previous prime is 3105032543. The next prime is 3105032551. The reversal of 3105032545 is 5452305013.
It is not a de Polignac number, because 3105032545 - 21 = 3105032543 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3105032543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58141 + ... + 97930.
It is an arithmetic number, because the mean of its divisors is an integer number (244408752).
Almost surely, 23105032545 is an apocalyptic number.
It is an amenable number.
3105032545 is a deficient number, since it is larger than the sum of its proper divisors (805507487).
3105032545 is a wasteful number, since it uses less digits than its factorization.
3105032545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156272.
The product of its (nonzero) digits is 9000, while the sum is 28.
The square root of 3105032545 is about 55722.8188895716. The cubic root of 3105032545 is about 1458.8883363964. Note that the first 3 decimals are identical.
Adding to 3105032545 its reverse (5452305013), we get a palindrome (8557337558).
The spelling of 3105032545 in words is "three billion, one hundred five million, thirty-two thousand, five hundred forty-five".
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