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55268702721792 = 283472386314081
BaseRepresentation
bin11001001000100001111110…
…11001001001011100000000
321020200122011220211221210000
430210100333121021130000
524221010300344044132
6313314031433440000
714433013655553600
oct1444207731113400
9236618156757700
1055268702721792
111667936391a56a
126247540870000
1324aba7c5598c1
14d9103b674c00
1565c9ec0b287c
hex32443f649700

55268702721792 has 540 divisors, whose sum is σ = 191770845867216. Its totient is φ = 15785848995840.

The previous prime is 55268702721781. The next prime is 55268702721851. The reversal of 55268702721792 is 29712720786255.

55268702721792 is a `hidden beast` number, since 5 + 5 + 268 + 7 + 0 + 272 + 17 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3925048192 + ... + 3925062272.

Almost surely, 255268702721792 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 55268702721792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95885422933608).

55268702721792 is an abundant number, since it is smaller than the sum of its proper divisors (136502143145424).

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

55268702721792 is a wasteful number, since it uses less digits than its factorization.

55268702721792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17986 (or 17956 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 63.

The spelling of 55268702721792 in words is "fifty-five trillion, two hundred sixty-eight billion, seven hundred two million, seven hundred twenty-one thousand, seven hundred ninety-two".