Search a number
-
+
12752621304 = 2334112959981
BaseRepresentation
bin10111110000001110…
…11000111011111000
31012220202022021200120
423320013120323320
5202104132340204
65505232533240
7631010330643
oct137007307370
935822267616
1012752621304
115454582155
12257a9b1220
131283069487
1488d972a5a
154e98896d9
hex2f81d8ef8

12752621304 has 32 divisors (see below), whose sum is σ = 32659154640. Its totient is φ = 4147193600.

The previous prime is 12752621261. The next prime is 12752621353. The reversal of 12752621304 is 40312625721.

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, 6479007 + ... + 6480974.

Almost surely, 212752621304 is an apocalyptic number.

It is an amenable number.

12752621304 is an abundant number, since it is smaller than the sum of its proper divisors (19906533336).

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

12752621304 is a wasteful number, since it uses less digits than its factorization.

12752621304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12960031 (or 12960027 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 12752621304 in words is "twelve billion, seven hundred fifty-two million, six hundred twenty-one thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 12959981 25919962 38879943 51839924 77759886 103679848 155519772 311039544 531359221 1062718442 1594077663 2125436884 3188155326 4250873768 6376310652 12752621304