Search a number
-
+
7144360301 = 13549566177
BaseRepresentation
bin1101010011101011…
…00100100101101101
3200102220101002220002
412221311210211231
5104112424012201
63140532234045
7342021026531
oct65165444555
920386332802
107144360301
113036894701
12147476b925
1389b1abb40
144babb7bc1
152bc33276b
hex1a9d6496d

7144360301 has 4 divisors (see below), whose sum is σ = 7693926492. Its totient is φ = 6594794112.

The previous prime is 7144360273. The next prime is 7144360309. The reversal of 7144360301 is 1030634417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1030634417 = 2234621679.

It can be written as a sum of positive squares in 2 ways, for example, as 4519335076 + 2625025225 = 67226^2 + 51235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7144360301 is a prime.

It is a super-2 number, since 2×71443603012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144360309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274783076 + ... + 274783101.

It is an arithmetic number, because the mean of its divisors is an integer number (1923481623).

Almost surely, 27144360301 is an apocalyptic number.

It is an amenable number.

7144360301 is a deficient number, since it is larger than the sum of its proper divisors (549566191).

7144360301 is a wasteful number, since it uses less digits than its factorization.

7144360301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549566190.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7144360301 is about 84524.3178085455. The cubic root of 7144360301 is about 1925.9918698866.

Adding to 7144360301 its reverse (1030634417), we get a palindrome (8174994718).

The spelling of 7144360301 in words is "seven billion, one hundred forty-four million, three hundred sixty thousand, three hundred one".

Divisors: 1 13 549566177 7144360301