Search a number
-
+
7148837273 is a prime number
BaseRepresentation
bin1101010100001101…
…01001100110011001
3200110012210120010212
412222012221212121
5104120100243043
63141212220505
7342104054114
oct65206514631
920405716125
107148837273
113039372286
12147616a735
1389c0b8836
144bb62157b
152bc919018
hex1aa1a9999

7148837273 has 2 divisors, whose sum is σ = 7148837274. Its totient is φ = 7148837272.

The previous prime is 7148837249. The next prime is 7148837291. The reversal of 7148837273 is 3727388417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7107838864 + 40998409 = 84308^2 + 6403^2 .

It is an emirp because it is prime and its reverse (3727388417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7148837273 - 222 = 7144642969 is a prime.

It is a super-2 number, since 2×71488372732 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7148837573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574418636 + 3574418637.

It is an arithmetic number, because the mean of its divisors is an integer number (3574418637).

Almost surely, 27148837273 is an apocalyptic number.

It is an amenable number.

7148837273 is a deficient number, since it is larger than the sum of its proper divisors (1).

7148837273 is an equidigital number, since it uses as much as digits as its factorization.

7148837273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1580544, while the sum is 50.

The square root of 7148837273 is about 84550.7969980177. The cubic root of 7148837273 is about 1926.3940897651.

The spelling of 7148837273 in words is "seven billion, one hundred forty-eight million, eight hundred thirty-seven thousand, two hundred seventy-three".