Search a number
-
+
253020718301 = 13537318127793
BaseRepresentation
bin1110101110100100110…
…1011100010011011101
3220012002110010020121212
43223221031130103131
513121141300441201
6312123000034205
724165042422441
oct3535115342335
9805073106555
10253020718301
119833a66565a
1241054162965
131ab23b48780
14c363a8c821
1568ad101abb
hex3ae935c4dd

253020718301 has 32 divisors (see below), whose sum is σ = 282993171552. Its totient is φ = 224755015680.

The previous prime is 253020718289. The next prime is 253020718303. The reversal of 253020718301 is 103817020352.

It can be written as a sum of positive squares in 16 ways, for example, as 199277424025 + 53743294276 = 446405^2 + 231826^2 .

It is not a de Polignac number, because 253020718301 - 210 = 253020717277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253020718303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9089861 + ... + 9117653.

It is an arithmetic number, because the mean of its divisors is an integer number (8843536611).

Almost surely, 2253020718301 is an apocalyptic number.

It is an amenable number.

253020718301 is a deficient number, since it is larger than the sum of its proper divisors (29972453251).

253020718301 is a wasteful number, since it uses less digits than its factorization.

253020718301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28113.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 253020718301 its reverse (103817020352), we get a palindrome (356837738653).

The spelling of 253020718301 in words is "two hundred fifty-three billion, twenty million, seven hundred eighteen thousand, three hundred one".

Divisors: 1 13 53 73 181 689 949 2353 3869 9593 13213 27793 50297 124709 171769 361309 700289 1473029 2028889 5030533 9103757 19149377 26375557 65396929 107531117 266618249 367228909 1397904521 3466037237 4773975817 19463132177 253020718301