Base | Representation |
---|---|
bin | 1000000111110001… |
… | …1101010010000001 |
3 | 12121221021000221010 |
4 | 2001330131102001 |
5 | 13431102000231 |
6 | 1000155151133 |
7 | 105011424126 |
oct | 20174352201 |
9 | 5557230833 |
10 | 2180109441 |
11 | a19684544 |
12 | 50a1454a9 |
13 | 289888cb3 |
14 | 16978074d |
15 | cb5dd546 |
hex | 81f1d481 |
2180109441 has 32 divisors (see below), whose sum is σ = 3207536640. Its totient is φ = 1312502400.
The previous prime is 2180109431. The next prime is 2180109509. The reversal of 2180109441 is 1449010812.
It is not a de Polignac number, because 2180109441 - 25 = 2180109409 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2180109399 and 2180109408.
It is not an unprimeable number, because it can be changed into a prime (2180109431) 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 31 ways as a sum of consecutive naturals, for example, 75270 + ... + 100128.
It is an arithmetic number, because the mean of its divisors is an integer number (100235520).
Almost surely, 22180109441 is an apocalyptic number.
It is an amenable number.
2180109441 is a deficient number, since it is larger than the sum of its proper divisors (1027427199).
2180109441 is a wasteful number, since it uses less digits than its factorization.
2180109441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24957.
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 2180109441 is about 46691.6420893504. The cubic root of 2180109441 is about 1296.6599546826.
The spelling of 2180109441 in words is "two billion, one hundred eighty million, one hundred nine thousand, four hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •