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84248566080 = 2635731404419
BaseRepresentation
bin100111001110110011…
…0110001100101000000
322001110102112121000020
41032131212301211000
52340020113103310
6102411523053440
76041520665430
oct1163546614500
9261412477006
1084248566080
1132803134718
12143b2811280
137c383b6343
1441131142c0
1522d1493170
hex139d9b1940

84248566080 has 224 divisors, whose sum is σ = 315564072960. Its totient is φ = 18635581440.

The previous prime is 84248566067. The next prime is 84248566081. The reversal of 84248566080 is 8066584248.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×842485660802 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84248566081) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6111 + ... + 410529.

Almost surely, 284248566080 is an apocalyptic number.

84248566080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84248566080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157782036480).

84248566080 is an abundant number, since it is smaller than the sum of its proper divisors (231315506880).

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

84248566080 is a wasteful number, since it uses less digits than its factorization.

84248566080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404477 (or 404467 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 84248566080 in words is "eighty-four billion, two hundred forty-eight million, five hundred sixty-six thousand, eighty".