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289380363695800 = 2352133121011146703
BaseRepresentation
bin100000111001100001001110…
…1110010000111011010111000
31101221121111022002200200010121
41001303002131302013122320
5300412201441101231200
62503243300454423024
7114645020115326236
oct10163023562073270
91357544262620117
10289380363695800
11842295831a2a33
1228557a2a361a74
13c5615b33b44b0
1451661275b1956
15236c6a9c23e1a
hex107309dc876b8

289380363695800 has 288 divisors, whose sum is σ = 756104349349440. Its totient is φ = 102377554560000.

The previous prime is 289380363695777. The next prime is 289380363695821. The reversal of 289380363695800 is 8596363083982.

It is a self number, because there is not a number n which added to its sum of digits gives 289380363695800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 251785249 + ... + 252931951.

It is an arithmetic number, because the mean of its divisors is an integer number (2625362324130).

Almost surely, 2289380363695800 is an apocalyptic number.

289380363695800 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 289380363695800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378052174674720).

289380363695800 is an abundant number, since it is smaller than the sum of its proper divisors (466723985653640).

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

289380363695800 is a wasteful number, since it uses less digits than its factorization.

289380363695800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146895 (or 1146855 counting only the distinct ones).

The product of its (nonzero) digits is 403107840, while the sum is 70.

The spelling of 289380363695800 in words is "two hundred eighty-nine trillion, three hundred eighty billion, three hundred sixty-three million, six hundred ninety-five thousand, eight hundred".