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57684923083872 = 2533723340934983
BaseRepresentation
bin11010001110110110100010…
…10110010110110001100000
321120020121212110201221111000
431013123101112112301200
530030102210302140442
6322404030545352000
715102412112015220
oct1507332126266140
9246217773657430
1057684923083872
1117420047268867
126577884038600
132625884a4b996
141035d7261c080
156a07b59abd4c
hex3476d1596c60

57684923083872 has 192 divisors, whose sum is σ = 193108330920960. Its totient is φ = 16410670543872.

The previous prime is 57684923083849. The next prime is 57684923083877. The reversal of 57684923083872 is 27838032948675.

57684923083872 is a `hidden beast` number, since 5 + 7 + 6 + 8 + 4 + 9 + 230 + 8 + 387 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 57684923083872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57684923083877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19058308 + ... + 21876675.

It is an arithmetic number, because the mean of its divisors is an integer number (1005772556880).

Almost surely, 257684923083872 is an apocalyptic number.

It is an amenable number.

57684923083872 is an abundant number, since it is smaller than the sum of its proper divisors (135423407837088).

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

57684923083872 is a wasteful number, since it uses less digits than its factorization.

57684923083872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40935242 (or 40935228 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 72.

The spelling of 57684923083872 in words is "fifty-seven trillion, six hundred eighty-four billion, nine hundred twenty-three million, eighty-three thousand, eight hundred seventy-two".