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60155271072640 = 2751929832055247
BaseRepresentation
bin11011010110101111111011…
…00100000100101110000000
321212222210021021022021011101
431223113331210010232000
530341040443343311030
6331534541112224144
715446034460323412
oct1553277544045600
9255883237267141
1060155271072640
1118192786304137
1268b65b269b054
132774805199633
1410bd76018c9b2
156e4b9b2d17ca
hex36b5fd904b80

60155271072640 has 256 divisors, whose sum is σ = 158484283776000. Its totient is φ = 21744436912128.

The previous prime is 60155271072629. The next prime is 60155271072707. The reversal of 60155271072640 is 4627017255106.

60155271072640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28241497 + ... + 30296743.

It is an arithmetic number, because the mean of its divisors is an integer number (619079233500).

Almost surely, 260155271072640 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 60155271072640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79242141888000).

60155271072640 is an abundant number, since it is smaller than the sum of its proper divisors (98329012703360).

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

60155271072640 is a wasteful number, since it uses less digits than its factorization.

60155271072640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055397 (or 2055385 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 60155271072640 in words is "sixty trillion, one hundred fifty-five billion, two hundred seventy-one million, seventy-two thousand, six hundred forty".