Base | Representation |
---|---|
bin | 111110111001010… |
… | …110110101100001 |
3 | 2201112120220000102 |
4 | 332321112311201 |
5 | 4130114120022 |
6 | 252413032145 |
7 | 35102151203 |
oct | 7671266541 |
9 | 2645526012 |
10 | 1055223137 |
11 | 4a1711841 |
12 | 255485655 |
13 | 13a803ab7 |
14 | a0204773 |
15 | 6298da92 |
hex | 3ee56d61 |
1055223137 has 2 divisors, whose sum is σ = 1055223138. Its totient is φ = 1055223136.
The previous prime is 1055223131. The next prime is 1055223151. The reversal of 1055223137 is 7313225501.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 685968481 + 369254656 = 26191^2 + 19216^2 .
It is an emirp because it is prime and its reverse (7313225501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1055223137 - 212 = 1055219041 is a prime.
It is a super-2 number, since 2×10552231372 = 2226991737720241538, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1055223131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527611568 + 527611569.
It is an arithmetic number, because the mean of its divisors is an integer number (527611569).
Almost surely, 21055223137 is an apocalyptic number.
It is an amenable number.
1055223137 is a deficient number, since it is larger than the sum of its proper divisors (1).
1055223137 is an equidigital number, since it uses as much as digits as its factorization.
1055223137 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6300, while the sum is 29.
The square root of 1055223137 is about 32484.1982662340. The cubic root of 1055223137 is about 1018.0788961720.
Adding to 1055223137 its reverse (7313225501), we get a palindrome (8368448638).
The spelling of 1055223137 in words is "one billion, fifty-five million, two hundred twenty-three thousand, one hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •