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31493124653184 = 273421130614703
BaseRepresentation
bin1110010100100100100001…
…00000100000000010000000
311010111201021000011002110000
413022102100200200002000
513111440404402400214
6150551424114240000
76430205662466655
oct712222040400200
9133451230132400
1031493124653184
11a04218292a637
1236476b3886000
131475a343157ac
147ac3bd867c2c
1539931d77d809
hex1ca490820080

31493124653184 has 320 divisors, whose sum is σ = 94218006516480. Its totient is φ = 10442321971200.

The previous prime is 31493124653173. The next prime is 31493124653203. The reversal of 31493124653184 is 48135642139413.

31493124653184 is a `hidden beast` number, since 3 + 1 + 4 + 9 + 3 + 1 + 24 + 6 + 531 + 84 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31493124653184.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6696388177 + ... + 6696392879.

It is an arithmetic number, because the mean of its divisors is an integer number (294431270364).

Almost surely, 231493124653184 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 31493124653184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47109003258240).

31493124653184 is an abundant number, since it is smaller than the sum of its proper divisors (62724881863296).

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

31493124653184 is a wasteful number, since it uses less digits than its factorization.

31493124653184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001 (or 7980 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 31493124653184 in words is "thirty-one trillion, four hundred ninety-three billion, one hundred twenty-four million, six hundred fifty-three thousand, one hundred eighty-four".