Base | Representation |
---|---|
bin | 11110101000110111111… |
… | …011000010110111111011 |
3 | 21110021120222101202122210 |
4 | 132220313323002313323 |
5 | 233444001340401222 |
6 | 4251123544150203 |
7 | 305054364261666 |
oct | 36506773026773 |
9 | 7407528352583 |
10 | 2105472200187 |
11 | 741a20192984 |
12 | 2a007a468363 |
13 | 1237119a3095 |
14 | 73c965ac6dd |
15 | 39b7c844d0c |
hex | 1ea37ec2dfb |
2105472200187 has 16 divisors (see below), whose sum is σ = 2836358067872. Its totient is φ = 1389118464000.
The previous prime is 2105472200177. The next prime is 2105472200189. The reversal of 2105472200187 is 7810022745012.
It is not a de Polignac number, because 2105472200187 - 216 = 2105472134651 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2105472200189) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7325187 + ... + 7607187.
It is an arithmetic number, because the mean of its divisors is an integer number (177272379242).
Almost surely, 22105472200187 is an apocalyptic number.
2105472200187 is a deficient number, since it is larger than the sum of its proper divisors (730885867685).
2105472200187 is a wasteful number, since it uses less digits than its factorization.
2105472200187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307758.
The product of its (nonzero) digits is 62720, while the sum is 39.
Adding to 2105472200187 its reverse (7810022745012), we get a palindrome (9915494945199).
The spelling of 2105472200187 in words is "two trillion, one hundred five billion, four hundred seventy-two million, two hundred thousand, one hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •