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89844915072 = 27311411134591
BaseRepresentation
bin101001110101100101…
…1001001101110000000
322120220110001120121010
41103223023021232000
52433000244240242
6105135120200520
76330304114623
oct1235313115600
9276813046533
1089844915072
1135115126530
12154b4a69140
13861a962a53
1444c448bdba
15250c94589c
hex14eb2c9b80

89844915072 has 256 divisors, whose sum is σ = 269114711040. Its totient is φ = 26320896000.

The previous prime is 89844915059. The next prime is 89844915091. The reversal of 89844915072 is 27051944898.

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 31 ways as a sum of consecutive naturals, for example, 19567497 + ... + 19572087.

It is an arithmetic number, because the mean of its divisors is an integer number (1051229340).

Almost surely, 289844915072 is an apocalyptic number.

89844915072 is a gapful number since it is divisible by the number (82) 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 89844915072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134557355520).

89844915072 is an abundant number, since it is smaller than the sum of its proper divisors (179269795968).

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

89844915072 is a wasteful number, since it uses less digits than its factorization.

89844915072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773 (or 4761 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 89844915072 in words is "eighty-nine billion, eight hundred forty-four million, nine hundred fifteen thousand, seventy-two".