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289808750343 = 3719759698437
BaseRepresentation
bin1000011011110011111…
…00101001011100000111
31000201001021021220102010
410031321330221130013
514222012020002333
6341045235145303
726636505506250
oct4157174513407
91021037256363
10289808750343
111019a8536622
1248200445233
132143762bc78
1410053837b27
157812b24563
hex4379f29707

289808750343 has 16 divisors (see below), whose sum is σ = 441636316160. Its totient is φ = 165596381856.

The previous prime is 289808750323. The next prime is 289808750411. The reversal of 289808750343 is 343057808982.

It is not a de Polignac number, because 289808750343 - 25 = 289808750311 is a prime.

It is a super-2 number, since 2×2898087503432 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289808750323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65721 + ... + 764157.

It is an arithmetic number, because the mean of its divisors is an integer number (27602269760).

Almost surely, 2289808750343 is an apocalyptic number.

289808750343 is a deficient number, since it is larger than the sum of its proper divisors (151827565817).

289808750343 is a wasteful number, since it uses less digits than its factorization.

289808750343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718206.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 289808750343 in words is "two hundred eighty-nine billion, eight hundred eight million, seven hundred fifty thousand, three hundred forty-three".

Divisors: 1 3 7 21 19759 59277 138313 414939 698437 2095311 4889059 14667177 13800416683 41401250049 96602916781 289808750343