Search a number
-
+
13172764448 = 251947460973
BaseRepresentation
bin11000100010010100…
…00110111100100000
31021000000212202201202
430101022012330200
5203434211430243
610015042020332
7644301436034
oct142112067440
937000782652
1013172764448
11564a755998
1226776476a8
13131c11139c
148cd69c1c4
155216cb4b8
hex311286f20

13172764448 has 48 divisors (see below), whose sum is σ = 27879707520. Its totient is φ = 6106957056.

The previous prime is 13172764441. The next prime is 13172764529. The reversal of 13172764448 is 84446727131.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (13172764441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201911 + ... + 259062.

It is an arithmetic number, because the mean of its divisors is an integer number (580827240).

Almost surely, 213172764448 is an apocalyptic number.

It is an amenable number.

13172764448 is an abundant number, since it is smaller than the sum of its proper divisors (14706943072).

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

13172764448 is a wasteful number, since it uses less digits than its factorization.

13172764448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461049 (or 461041 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The spelling of 13172764448 in words is "thirteen billion, one hundred seventy-two million, seven hundred sixty-four thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 19 32 38 47 76 94 152 188 304 376 608 752 893 1504 1786 3572 7144 14288 28576 460973 921946 1843892 3687784 7375568 8758487 14751136 17516974 21665731 35033948 43331462 70067896 86662924 140135792 173325848 280271584 346651696 411648889 693303392 823297778 1646595556 3293191112 6586382224 13172764448