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289928636974 = 21929263093137
BaseRepresentation
bin1000011100000010001…
…01111110101000101110
31000201100121212202221201
410032001011332220232
514222233212340344
6341105200520114
726642462516044
oct4160105765056
91021317782851
10289928636974
11101a5a180189
124823462003a
13214564163c2
1410065724394
15781d4064d4
hex438117ea2e

289928636974 has 16 divisors (see below), whose sum is σ = 473567648400. Its totient is φ = 132598940544.

The previous prime is 289928636947. The next prime is 289928637007. The reversal of 289928636974 is 479636829982.

It is a super-2 number, since 2×2899286369742 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 289928636897 and 289928636906.

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, 131545467 + ... + 131547670.

It is an arithmetic number, because the mean of its divisors is an integer number (29597978025).

Almost surely, 2289928636974 is an apocalyptic number.

289928636974 is a deficient number, since it is larger than the sum of its proper divisors (183639011426).

289928636974 is a wasteful number, since it uses less digits than its factorization.

289928636974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263093187.

The product of its digits is 564350976, while the sum is 73.

The spelling of 289928636974 in words is "two hundred eighty-nine billion, nine hundred twenty-eight million, six hundred thirty-six thousand, nine hundred seventy-four".

Divisors: 1 2 19 29 38 58 551 1102 263093137 526186274 4998769603 7629700973 9997539206 15259401946 144964318487 289928636974