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289057914000 = 243253149107777
BaseRepresentation
bin1000011010011010011…
…00011011110010010000
31000122002221110110120200
410031031030123302100
514213442311222000
6340442534135200
726612060505102
oct4151514336220
91018087413520
10289057914000
11101652725119
1248030ab1500
1321347c008cb
14ddc1c29572
1577bbc5e500
hex434d31bc90

289057914000 has 240 divisors, whose sum is σ = 1016368095600. Its totient is φ = 76564070400.

The previous prime is 289057913983. The next prime is 289057914043. The reversal of 289057914000 is 419750982.

289057914000 is a `hidden beast` number, since 28 + 90 + 57 + 91 + 400 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 121505227776 + 167552686224 = 348576^2 + 409332^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 2628112 + ... + 2735888.

It is an arithmetic number, because the mean of its divisors is an integer number (4234867065).

Almost surely, 2289057914000 is an apocalyptic number.

289057914000 is a gapful number since it is divisible by the number (20) 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 289057914000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508184047800).

289057914000 is an abundant number, since it is smaller than the sum of its proper divisors (727310181600).

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

289057914000 is a wasteful number, since it uses less digits than its factorization.

289057914000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107955 (or 107936 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 289057914000 in words is "two hundred eighty-nine billion, fifty-seven million, nine hundred fourteen thousand".