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12480527312640 = 283351934695479
BaseRepresentation
bin1011010110011101100101…
…1001011010011100000000
31122012010102101222210202000
42311213121121122130000
53113440104443001030
642313250342024000
72425455046535532
oct265473131323400
948163371883660
1012480527312640
113a81a64335052
121496987418000
136c6ba748b83a
143120bc981852
151699a9248860
hexb59d965a700

12480527312640 has 576 divisors, whose sum is σ = 46641463680000. Its totient is φ = 3151491121152.

The previous prime is 12480527312611. The next prime is 12480527312663. The reversal of 12480527312640 is 4621372508421.

12480527312640 is a `hidden beast` number, since 1 + 2 + 4 + 80 + 527 + 3 + 1 + 2 + 6 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 2277881421 + ... + 2277886899.

Almost surely, 212480527312640 is an apocalyptic number.

12480527312640 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 12480527312640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23320731840000).

12480527312640 is an abundant number, since it is smaller than the sum of its proper divisors (34160936367360).

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

12480527312640 is a wasteful number, since it uses less digits than its factorization.

12480527312640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997 (or 8977 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 12480527312640 in words is "twelve trillion, four hundred eighty billion, five hundred twenty-seven million, three hundred twelve thousand, six hundred forty".