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53948128913280 = 2736572171271093
BaseRepresentation
bin11000100010000110001110…
…00011110110011110000000
321002000101112212020202000000
430101003013003312132000
524032341232000211110
6310423232302000000
714235423632443200
oct1421030703663600
9232011485222000
1053948128913280
111620a30038a548
126073613276000
132414395c2c594
14d47163918400
156384abd791c0
hex3110c70f6780

53948128913280 has 2688 divisors, whose sum is σ = 240262640225280. Its totient is φ = 11503730294784.

The previous prime is 53948128913269. The next prime is 53948128913299. The reversal of 53948128913280 is 8231982184935.

53948128913280 is a `hidden beast` number, since 5 + 39 + 48 + 1 + 289 + 1 + 3 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (2688).

It is a super-2 number, since 2×539481289132802 (a number of 28 digits) contains 22 as substring.

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 335 ways as a sum of consecutive naturals, for example, 49357848414 + ... + 49357849506.

Almost surely, 253948128913280 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 53948128913280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120131320112640).

53948128913280 is an abundant number, since it is smaller than the sum of its proper divisors (186314511312000).

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

53948128913280 is a wasteful number, since it uses less digits than its factorization.

53948128913280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 53948128913280 in words is "fifty-three trillion, nine hundred forty-eight billion, one hundred twenty-eight million, nine hundred thirteen thousand, two hundred eighty".