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12280575156480 = 283251795955431
BaseRepresentation
bin1011001010110100101101…
…0100011110000100000000
31121111000022101201211122200
42302231023110132010000
53102201104220001410
642041341321233200
72405146046336121
oct262551324360400
947430271654580
1012280575156480
113a05187581714
121464083932800
136b1090051537
14306550d96048
151646a50c53c0
hexb2b4b51e100

12280575156480 has 216 divisors, whose sum is σ = 42726889558080. Its totient is φ = 3256524410880.

The previous prime is 12280575156467. The next prime is 12280575156491. The reversal of 12280575156480 is 8465157508221.

12280575156480 is a `hidden beast` number, since 1 + 2 + 2 + 8 + 0 + 5 + 7 + 5 + 156 + 480 = 666.

It is a super-3 number, since 3×122805751564803 (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915636 + ... + 5039795.

It is an arithmetic number, because the mean of its divisors is an integer number (197809673880).

Almost surely, 212280575156480 is an apocalyptic number.

12280575156480 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 12280575156480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21363444779040).

12280575156480 is an abundant number, since it is smaller than the sum of its proper divisors (30446314401600).

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

12280575156480 is a wasteful number, since it uses less digits than its factorization.

12280575156480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955637 (or 5955620 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 54.

The spelling of 12280575156480 in words is "twelve trillion, two hundred eighty billion, five hundred seventy-five million, one hundred fifty-six thousand, four hundred eighty".