Search a number
-
+
13540105052 = 22194338910651
BaseRepresentation
bin11001001110000110…
…11001101101011100
31021221122002121022022
430213003121231130
5210212231330202
610115323235312
7656351664635
oct144703315534
937848077268
1013540105052
115819044371
12275a678b38
13137a2593a6
149263a088c
15543a8cea2
hex3270d9b5c

13540105052 has 48 divisors (see below), whose sum is σ = 25590364800. Its totient is φ = 6247886400.

The previous prime is 13540105049. The next prime is 13540105069. The reversal of 13540105052 is 25050104531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265927 + ... + 1276577.

It is an arithmetic number, because the mean of its divisors is an integer number (533132600).

Almost surely, 213540105052 is an apocalyptic number.

It is an amenable number.

13540105052 is a deficient number, since it is larger than the sum of its proper divisors (12050259748).

13540105052 is a wasteful number, since it uses less digits than its factorization.

13540105052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106 (or 11104 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 13540105052 its reverse (25050104531), we get a palindrome (38590209583).

The spelling of 13540105052 in words is "thirteen billion, five hundred forty million, one hundred five thousand, fifty-two".

Divisors: 1 2 4 19 38 43 76 86 172 389 778 817 1556 1634 3268 7391 10651 14782 16727 21302 29564 33454 42604 66908 202369 317813 404738 457993 635626 809476 915986 1271252 1831972 4143239 8286478 8701867 16572956 17403734 34807468 78721541 157443082 178159277 314886164 356318554 712637108 3385026263 6770052526 13540105052