Search a number
-
+
13252254140 = 2251934874353
BaseRepresentation
bin11000101011110010…
…10101100110111100
31021012120110021002102
430111321111212330
5204120034113030
610031001444232
7646255205306
oct142571254674
937176407072
1013252254140
115690608754
12269a1a0678
1313327233c8
148da070976
1552867dc45
hex315e559bc

13252254140 has 24 divisors (see below), whose sum is σ = 29294457360. Its totient is φ = 5021906688.

The previous prime is 13252254133. The next prime is 13252254167. The reversal of 13252254140 is 4145225231.

It is a super-2 number, since 2×132522541402 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17436797 + ... + 17437556.

It is an arithmetic number, because the mean of its divisors is an integer number (1220602390).

Almost surely, 213252254140 is an apocalyptic number.

13252254140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13252254140 is an abundant number, since it is smaller than the sum of its proper divisors (16042203220).

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

13252254140 is a wasteful number, since it uses less digits than its factorization.

13252254140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34874381 (or 34874379 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 13252254140 its reverse (4145225231), we get a palindrome (17397479371).

The spelling of 13252254140 in words is "thirteen billion, two hundred fifty-two million, two hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 34874353 69748706 139497412 174371765 348743530 662612707 697487060 1325225414 2650450828 3313063535 6626127070 13252254140