Base | Representation |
---|---|
bin | 1001000011110000… |
… | …0111111010010001 |
3 | 20021110122011001121 |
4 | 2100330013322101 |
5 | 14440002231040 |
6 | 1041143202241 |
7 | 114154640326 |
oct | 22074077221 |
9 | 6243564047 |
10 | 2431680145 |
11 | 1038690314 |
12 | 57a446381 |
13 | 2c9a2b5bb |
14 | 190d48b4d |
15 | e3732c4a |
hex | 90f07e91 |
2431680145 has 16 divisors (see below), whose sum is σ = 3093562368. Its totient is φ = 1831705920.
The previous prime is 2431680137. The next prime is 2431680169. The reversal of 2431680145 is 5410861342.
It is not a de Polignac number, because 2431680145 - 23 = 2431680137 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2431680145.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206269 + ... + 217738.
It is an arithmetic number, because the mean of its divisors is an integer number (193347648).
Almost surely, 22431680145 is an apocalyptic number.
It is an amenable number.
2431680145 is a deficient number, since it is larger than the sum of its proper divisors (661882223).
2431680145 is a wasteful number, since it uses less digits than its factorization.
2431680145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424080.
The product of its (nonzero) digits is 23040, while the sum is 34.
The square root of 2431680145 is about 49312.0689588259. The cubic root of 2431680145 is about 1344.7312048364.
The spelling of 2431680145 in words is "two billion, four hundred thirty-one million, six hundred eighty thousand, one hundred forty-five".
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