Search a number
-
+
12448556832 = 253129672467
BaseRepresentation
bin10111001011111110…
…11110011100100000
31012010120011012122110
423211333132130200
5200443312304312
65415131435320
7620325662415
oct134577363440
935116135573
1012448556832
115308981aa8
1224b4bb5b40
13123507767a
1486142210c
154ccd2643c
hex2e5fde720

12448556832 has 24 divisors (see below), whose sum is σ = 32677461936. Its totient is φ = 4149518912.

The previous prime is 12448556807. The next prime is 12448556903. The reversal of 12448556832 is 23865584421.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64836138 + ... + 64836329.

It is an arithmetic number, because the mean of its divisors is an integer number (1361560914).

Almost surely, 212448556832 is an apocalyptic number.

12448556832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12448556832 is an abundant number, since it is smaller than the sum of its proper divisors (20228905104).

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

12448556832 is a wasteful number, since it uses less digits than its factorization.

12448556832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129672480 (or 129672472 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 48.

The spelling of 12448556832 in words is "twelve billion, four hundred forty-eight million, five hundred fifty-six thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 129672467 259344934 389017401 518689868 778034802 1037379736 1556069604 2074759472 3112139208 4149518944 6224278416 12448556832