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289678876982 = 21142131276061
BaseRepresentation
bin1000011011100100011…
…01001110000100110110
31000200201012220122122122
410031302031032010312
514221230243030412
6341024315355542
726633340553565
oct4156215160466
91020635818578
10289678876982
111019411a0870
1248184a52bb2
1321416759021
14100404abbdc
15780651d572
hex437234e136

289678876982 has 16 divisors (see below), whose sum is σ = 475145933904. Its totient is φ = 131359452000.

The previous prime is 289678876961. The next prime is 289678876999.

289678876982 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 289678876897 and 289678876906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15628769 + ... + 15647292.

It is an arithmetic number, because the mean of its divisors is an integer number (29696620869).

Almost surely, 2289678876982 is an apocalyptic number.

289678876982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

289678876982 is a deficient number, since it is larger than the sum of its proper divisors (185467056922).

289678876982 is a wasteful number, since it uses less digits than its factorization.

289678876982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31276495.

The product of its digits is 2341011456, while the sum is 80.

The spelling of 289678876982 in words is "two hundred eighty-nine billion, six hundred seventy-eight million, eight hundred seventy-six thousand, nine hundred eighty-two".

Divisors: 1 2 11 22 421 842 4631 9262 31276061 62552122 344036671 688073342 13167221681 26334443362 144839438491 289678876982