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5257315971688 = 2311211071490571
BaseRepresentation
bin100110010000001000001…
…1100110111001001101000
3200121121001101111211222211
41030200100130313021220
51142113440342043223
615103102210454504
71051554122301334
oct114402034671150
920547041454884
105257315971688
111747684898600
1270aaa0594434
132c19bba59891
14142653a847c4
1591b4c96ad0d
hex4c810737268

5257315971688 has 48 divisors (see below), whose sum is σ = 10836068302080. Its totient is φ = 2389468356000.

The previous prime is 5257315971667. The next prime is 5257315971703. The reversal of 5257315971688 is 8861795137525.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10471443 + ... + 10962013.

It is an arithmetic number, because the mean of its divisors is an integer number (225751422960).

Almost surely, 25257315971688 is an apocalyptic number.

It is an amenable number.

5257315971688 is an abundant number, since it is smaller than the sum of its proper divisors (5578752330392).

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

5257315971688 is a wasteful number, since it uses less digits than its factorization.

5257315971688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501670 (or 501655 counting only the distinct ones).

The product of its digits is 127008000, while the sum is 67.

The spelling of 5257315971688 in words is "five trillion, two hundred fifty-seven billion, three hundred fifteen million, nine hundred seventy-one thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 11071 22142 44284 88568 121781 243562 487124 490571 974248 981142 1339591 1962284 2679182 3924568 5358364 5396281 10716728 10792562 21585124 43170248 59359091 118718182 237436364 474872728 5431111541 10862223082 21724446164 43448892328 59742226951 119484453902 238968907804 477937815608 657164496461 1314328992922 2628657985844 5257315971688