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289928193830 = 25112635710853
BaseRepresentation
bin1000011100000010001…
…00010010011100100110
31000201100121001021001222
410032001010102130212
514222233104200310
6341105143220342
726642455662062
oct4160104223446
91021317037058
10289928193830
11101a599a8250
12482344476b2
13214562bc7a2
141006564aaa2
15781d36a055
hex4381112726

289928193830 has 16 divisors (see below), whose sum is σ = 569313544464. Its totient is φ = 105428434080.

The previous prime is 289928193817. The next prime is 289928193833. The reversal of 289928193830 is 38391829982.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289928193833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317855317 + ... + 1317855536.

It is an arithmetic number, because the mean of its divisors is an integer number (35582096529).

Almost surely, 2289928193830 is an apocalyptic number.

289928193830 is a deficient number, since it is larger than the sum of its proper divisors (279385350634).

289928193830 is a wasteful number, since it uses less digits than its factorization.

289928193830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635710871.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 289928193830 in words is "two hundred eighty-nine billion, nine hundred twenty-eight million, one hundred ninety-three thousand, eight hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 2635710853 5271421706 13178554265 26357108530 28992819383 57985638766 144964096915 289928193830