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84807265488 = 243114771127379
BaseRepresentation
bin100111011111011101…
…0000010110011010000
322002220100211110111220
41032332322002303100
52342141124443423
6102543202005040
76061413601611
oct1167672026320
9262810743456
1084807265488
1132a6a543870
1214529946780
137cc70813ca
1441673c9c08
1523155539e3
hex13bee82cd0

84807265488 has 320 divisors, whose sum is σ = 250132561920. Its totient is φ = 24537945600.

The previous prime is 84807265481. The next prime is 84807265493. The reversal of 84807265488 is 88456270848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84807265481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 223765683 + ... + 223766061.

It is an arithmetic number, because the mean of its divisors is an integer number (781664256).

Almost surely, 284807265488 is an apocalyptic number.

84807265488 is a gapful number since it is divisible by the number (88) 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 84807265488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125066280960).

84807265488 is an abundant number, since it is smaller than the sum of its proper divisors (165325296432).

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

84807265488 is a wasteful number, since it uses less digits than its factorization.

84807265488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 60.

The spelling of 84807265488 in words is "eighty-four billion, eight hundred seven million, two hundred sixty-five thousand, four hundred eighty-eight".