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12479950307328 = 2143743843539
BaseRepresentation
bin1011010110011011011100…
…0000010100000000000000
31122012001221012020220020220
42311212313000110000000
53113432414234313303
642313113210503040
72425434542220360
oct265466700240000
948161835226226
1012479950307328
113a81798662459
121496846134a80
136c6b14a8448a
143120660a29a0
1516997376e053
hexb59b7014000

12479950307328 has 240 divisors, whose sum is σ = 38917507453440. Its totient is φ = 3482772701184.

The previous prime is 12479950307311. The next prime is 12479950307351. The reversal of 12479950307328 is 82370305997421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14372983 + ... + 15216521.

It is an arithmetic number, because the mean of its divisors is an integer number (162156281056).

Almost surely, 212479950307328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12479950307328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19458753726720).

12479950307328 is an abundant number, since it is smaller than the sum of its proper divisors (26437557146112).

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

12479950307328 is an frugal number, since it uses more digits than its factorization.

12479950307328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843620 (or 843594 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 12479950307328 in words is "twelve trillion, four hundred seventy-nine billion, nine hundred fifty million, three hundred seven thousand, three hundred twenty-eight".