Base | Representation |
---|---|
bin | 1000001101110101… |
… | …0100100000010001 |
3 | 12200201001002020011 |
4 | 2003131110200101 |
5 | 14004102021312 |
6 | 1002503314521 |
7 | 105440311255 |
oct | 20335244021 |
9 | 5621032204 |
10 | 2205501457 |
11 | a31a47985 |
12 | 51674ba41 |
13 | 291c09763 |
14 | 16ccb0265 |
15 | cd956da7 |
hex | 83754811 |
2205501457 has 2 divisors, whose sum is σ = 2205501458. Its totient is φ = 2205501456.
The previous prime is 2205501451. The next prime is 2205501491. The reversal of 2205501457 is 7541055022.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1610336641 + 595164816 = 40129^2 + 24396^2 .
It is a cyclic number.
It is not a de Polignac number, because 2205501457 - 23 = 2205501449 is a prime.
It is not a weakly prime, because it can be changed into another prime (2205501451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102750728 + 1102750729.
It is an arithmetic number, because the mean of its divisors is an integer number (1102750729).
Almost surely, 22205501457 is an apocalyptic number.
It is an amenable number.
2205501457 is a deficient number, since it is larger than the sum of its proper divisors (1).
2205501457 is an equidigital number, since it uses as much as digits as its factorization.
2205501457 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14000, while the sum is 31.
The square root of 2205501457 is about 46962.7667093837. The cubic root of 2205501457 is about 1301.6746577588.
Adding to 2205501457 its reverse (7541055022), we get a palindrome (9746556479).
The spelling of 2205501457 in words is "two billion, two hundred five million, five hundred one thousand, four hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •