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27351550044 = 223371323121001
BaseRepresentation
bin11001011110010001…
…111000100001011100
32121121011202201001000
4121132101320201130
5422003444100134
620322022350300
71655540224260
oct313621704134
977534681030
1027351550044
1110666267415
125373b8b390
13276b78a450
1414767d40a0
15aa1377e99
hex65e47885c

27351550044 has 192 divisors, whose sum is σ = 91070945280. Its totient is φ = 6899904000.

The previous prime is 27351550033. The next prime is 27351550081. The reversal of 27351550044 is 44005515372.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 27351549990 and 27351550008.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 165544 + ... + 286544.

It is an arithmetic number, because the mean of its divisors is an integer number (474327840).

Almost surely, 227351550044 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 27351550044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45535472640).

27351550044 is an abundant number, since it is smaller than the sum of its proper divisors (63719395236).

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

27351550044 is a wasteful number, since it uses less digits than its factorization.

27351550044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121057 (or 121049 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 27351550044 in words is "twenty-seven billion, three hundred fifty-one million, five hundred fifty thousand, forty-four".