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55868185673040 = 243513172312517963
BaseRepresentation
bin11001011001111110100110…
…10111000111110101010000
321022210221112220210012201110
430230333103113013311100
524310321021013014130
6314453253513533320
714524225502560056
oct1454772327076520
9238727486705643
1055868185673040
111688a623371744
126323766414240
132523469042cb0
14db206ada61d6
1566d3d684aab0
hex32cfd35c7d50

55868185673040 has 960 divisors, whose sum is σ = 205362487959552. Its totient is φ = 12474224640000.

The previous prime is 55868185673039. The next prime is 55868185673051. The reversal of 55868185673040 is 4037658186855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7015968099 + ... + 7015976061.

Almost surely, 255868185673040 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 55868185673040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102681243979776).

55868185673040 is an abundant number, since it is smaller than the sum of its proper divisors (149494302286512).

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

55868185673040 is a wasteful number, since it uses less digits than its factorization.

55868185673040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308 (or 8285 counting only the distinct ones).

The product of its (nonzero) digits is 193536000, while the sum is 66.

The spelling of 55868185673040 in words is "fifty-five trillion, eight hundred sixty-eight billion, one hundred eighty-five million, six hundred seventy-three thousand, forty".