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289930236289 = 79103137260081
BaseRepresentation
bin1000011100000010011…
…00000101000110000001
31000201100201220000210121
410032001030011012001
514222234120030124
6341105255100241
726642512226551
oct4160114050601
91021321800717
10289930236289
11101a60072831
1248235071681
1321456856345
1410065a1d161
15781d6202e4
hex4381305181

289930236289 has 16 divisors (see below), whose sum is σ = 298615749120. Its totient is φ = 281410721280.

The previous prime is 289930236287. The next prime is 289930236307. The reversal of 289930236289 is 982632039982.

It is a cyclic number.

It is not a de Polignac number, because 289930236289 - 21 = 289930236287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289930236287) 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, 984729 + ... + 1244809.

It is an arithmetic number, because the mean of its divisors is an integer number (18663484320).

Almost surely, 2289930236289 is an apocalyptic number.

It is an amenable number.

289930236289 is a deficient number, since it is larger than the sum of its proper divisors (8685512831).

289930236289 is a wasteful number, since it uses less digits than its factorization.

289930236289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260400.

The product of its (nonzero) digits is 20155392, while the sum is 61.

The spelling of 289930236289 in words is "two hundred eighty-nine billion, nine hundred thirty million, two hundred thirty-six thousand, two hundred eighty-nine".

Divisors: 1 79 103 137 8137 10823 14111 260081 1114769 20546399 26788343 35631097 2116279097 2814856663 3670002991 289930236289