Base | Representation |
---|---|
bin | 111101001111101… |
… | …1010001111110001 |
3 | 12022012221120120000 |
4 | 1322133122033301 |
5 | 13202043214241 |
6 | 535530540213 |
7 | 101632450005 |
oct | 17237321761 |
9 | 5265846500 |
10 | 2055054321 |
11 | 96502a801 |
12 | 494297669 |
13 | 2699b2198 |
14 | 156d0a705 |
15 | c0639eb6 |
hex | 7a7da3f1 |
2055054321 has 10 divisors (see below), whose sum is σ = 3069896082. Its totient is φ = 1370036160.
The previous prime is 2055054293. The next prime is 2055054329. The reversal of 2055054321 is 1234505502.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1643167296 + 411887025 = 40536^2 + 20295^2 .
It is not a de Polignac number, because 2055054321 - 213 = 2055046129 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2055054329) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12685440 + ... + 12685601.
Almost surely, 22055054321 is an apocalyptic number.
It is an amenable number.
2055054321 is a deficient number, since it is larger than the sum of its proper divisors (1014841761).
2055054321 is an equidigital number, since it uses as much as digits as its factorization.
2055054321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25371053 (or 25371044 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 2055054321 is about 45332.7069674865. The cubic root of 2055054321 is about 1271.3772483374.
Adding to 2055054321 its reverse (1234505502), we get a palindrome (3289559823).
The spelling of 2055054321 in words is "two billion, fifty-five million, fifty-four thousand, three hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •