Base | Representation |
---|---|
bin | 111111110010110… |
… | …0011010100110111 |
3 | 12112011211020012111 |
4 | 1333211203110313 |
5 | 13340440103310 |
6 | 552223231451 |
7 | 104021243611 |
oct | 17745432467 |
9 | 5464736174 |
10 | 2140550455 |
11 | 9a931526a |
12 | 4b8a48587 |
13 | 281618104 |
14 | 164403db1 |
15 | c7dc728a |
hex | 7f963537 |
2140550455 has 16 divisors (see below), whose sum is σ = 2651796864. Its totient is φ = 1657497600.
The previous prime is 2140550441. The next prime is 2140550459. The reversal of 2140550455 is 5540550412.
It is not a de Polignac number, because 2140550455 - 219 = 2140026167 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2140550459) 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, 5730 + ... + 65680.
It is an arithmetic number, because the mean of its divisors is an integer number (165737304).
Almost surely, 22140550455 is an apocalyptic number.
2140550455 is a deficient number, since it is larger than the sum of its proper divisors (511246409).
2140550455 is a wasteful number, since it uses less digits than its factorization.
2140550455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60186.
The product of its (nonzero) digits is 20000, while the sum is 31.
The square root of 2140550455 is about 46266.0832035737. The cubic root of 2140550455 is about 1288.7692235136.
The spelling of 2140550455 in words is "two billion, one hundred forty million, five hundred fifty thousand, four hundred fifty-five".
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