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12496945333320 = 233457278715957
BaseRepresentation
bin1011010111011010101111…
…1111001100010001001000
31122020200210121101200010000
42311312223333030101020
53114222221001131240
642325003433123000
72426605645444200
oct265665377142110
948220717350100
1012496945333320
113a88a19933a88
121499ba9859460
136c85c2a25886
14312bd9249400
1516a11a7b2430
hexb5dabfcc448

12496945333320 has 240 divisors, whose sum is σ = 48861356609340. Its totient is φ = 2856444611328.

The previous prime is 12496945333241. The next prime is 12496945333361. The reversal of 12496945333320 is 2333354969421.

12496945333320 is a `hidden beast` number, since 1 + 2 + 49 + 69 + 4 + 533 + 3 + 3 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11367915829956 + 1129029503364 = 3371634^2 + 1062558^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 39199219 + ... + 39516738.

Almost surely, 212496945333320 is an apocalyptic number.

12496945333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12496945333320 is an abundant number, since it is smaller than the sum of its proper divisors (36364411276020).

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

12496945333320 is a wasteful number, since it uses less digits than its factorization.

12496945333320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78715994 (or 78715974 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 54.

The spelling of 12496945333320 in words is "twelve trillion, four hundred ninety-six billion, nine hundred forty-five million, three hundred thirty-three thousand, three hundred twenty".