Base | Representation |
---|---|
bin | 1001110101111101… |
… | …0100101100100001 |
3 | 20211010211101211220 |
4 | 2131133110230201 |
5 | 20402402443040 |
6 | 1114104125253 |
7 | 122322422355 |
oct | 23537245441 |
9 | 6733741756 |
10 | 2642234145 |
11 | 1136521691 |
12 | 618a66829 |
13 | 33153c675 |
14 | 1b0cb7465 |
15 | 106e742d0 |
hex | 9d7d4b21 |
2642234145 has 32 divisors (see below), whose sum is σ = 4454860800. Its totient is φ = 1333589184.
The previous prime is 2642234143. The next prime is 2642234159. The reversal of 2642234145 is 5414322462.
It is not a de Polignac number, because 2642234145 - 21 = 2642234143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2642234141) 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, 291654 + ... + 300576.
It is an arithmetic number, because the mean of its divisors is an integer number (139214400).
Almost surely, 22642234145 is an apocalyptic number.
It is an amenable number.
2642234145 is a deficient number, since it is larger than the sum of its proper divisors (1812626655).
2642234145 is a wasteful number, since it uses less digits than its factorization.
2642234145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9989.
The product of its digits is 46080, while the sum is 33.
The square root of 2642234145 is about 51402.6667109791. Note that the first 3 decimals coincide. The cubic root of 2642234145 is about 1382.4744069723.
The spelling of 2642234145 in words is "two billion, six hundred forty-two million, two hundred thirty-four thousand, one hundred forty-five".
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