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5681306537280 = 263451119926019
BaseRepresentation
bin101001010101100100001…
…0000100000110101000000
3202010010110000120020010000
41102223020100200311000
51221040303433143110
620025542312040000
71124314033530303
oct122531020406500
922103400506100
105681306537280
1118a0479479a10
127790aa093000
1332298b73cc5a
14158d96108b3a
159cbb55e01c0
hex52ac8420d40

5681306537280 has 280 divisors, whose sum is σ = 22046626752480. Its totient is φ = 1377286364160.

The previous prime is 5681306537273. The next prime is 5681306537329. The reversal of 5681306537280 is 827356031865.

5681306537280 is a `hidden beast` number, since 5 + 6 + 8 + 1 + 306 + 53 + 7 + 280 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9677890 + ... + 10248129.

Almost surely, 25681306537280 is an apocalyptic number.

It is an amenable number.

5681306537280 is an abundant number, since it is smaller than the sum of its proper divisors (16365320215200).

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

5681306537280 is a wasteful number, since it uses less digits than its factorization.

5681306537280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19926059 (or 19926040 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 5681306537280 in words is "five trillion, six hundred eighty-one billion, three hundred six million, five hundred thirty-seven thousand, two hundred eighty".