Search a number
-
+
13015143852 = 2234330118377
BaseRepresentation
bin11000001111100001…
…10101010110101100
31020121001021210220220
430013300311112230
5203123334100402
65551251411340
7640345616544
oct140760652654
936531253826
1013015143852
115579789237
1226328b3b50
1312c5574969
148b678c324
15512943dbc
hex307c355ac

13015143852 has 48 divisors (see below), whose sum is σ = 31088948352. Its totient is φ = 4235575680.

The previous prime is 13015143821. The next prime is 13015143859. The reversal of 13015143852 is 25834151031.

13015143852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13015143859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549488 + ... + 1557864.

It is an arithmetic number, because the mean of its divisors is an integer number (647686424).

Almost surely, 213015143852 is an apocalyptic number.

13015143852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13015143852 is an abundant number, since it is smaller than the sum of its proper divisors (18073804500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13015143852 is a wasteful number, since it uses less digits than its factorization.

13015143852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438 (or 11436 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 13015143852 its reverse (25834151031), we get a palindrome (38849294883).

The spelling of 13015143852 in words is "thirteen billion, fifteen million, one hundred forty-three thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 3011 6022 8377 9033 12044 16754 18066 25131 33508 36132 50262 100524 129473 258946 360211 388419 517892 720422 776838 1080633 1440844 1553676 2161266 4322532 25223147 50446294 75669441 100892588 151338882 302677764 1084595321 2169190642 3253785963 4338381284 6507571926 13015143852