Search a number
-
+
12748623133260 = 22357372003409573
BaseRepresentation
bin1011100110000100010100…
…1001110011101001001100
31200010202102110120121001210
42321201011021303221030
53132333140010231020
643040345301534420
72454025523445030
oct271410511635114
950122373517053
1012748623133260
11407572a448153
12151a928114410
1371626158a3a1
143210728041c0
1517194aa473e0
hexb9845273a4c

12748623133260 has 192 divisors, whose sum is σ = 41919197709312. Its totient is φ = 2833792625664.

The previous prime is 12748623133249. The next prime is 12748623133273. The reversal of 12748623133260 is 6233132684721.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30921834 + ... + 31331406.

It is an arithmetic number, because the mean of its divisors is an integer number (218329154736).

Almost surely, 212748623133260 is an apocalyptic number.

12748623133260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12748623133260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20959598854656).

12748623133260 is an abundant number, since it is smaller than the sum of its proper divisors (29170574576052).

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

12748623133260 is a wasteful number, since it uses less digits than its factorization.

12748623133260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411632 (or 411630 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 12748623133260 in words is "twelve trillion, seven hundred forty-eight billion, six hundred twenty-three million, one hundred thirty-three thousand, two hundred sixty".