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489685969470 = 235109641233621
BaseRepresentation
bin1110010000000111000…
…11101110101000111110
31201210222001112200012210
413020003203232220332
531010334102010340
61012543021441250
750243606030445
oct7100343565076
91653861480183
10489685969470
11179746a66725
127aaa2a10226
133723c38c529
14199b54b7d5c
15cb103e4180
hex72038eea3e

489685969470 has 64 divisors (see below), whose sum is σ = 1187883766080. Its totient is φ = 129182515200.

The previous prime is 489685969469. The next prime is 489685969483. The reversal of 489685969470 is 74969586984.

It is a junction number, because it is equal to n+sod(n) for n = 489685969392 and 489685969401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1979260 + ... + 2212880.

It is an arithmetic number, because the mean of its divisors is an integer number (18560683845).

Almost surely, 2489685969470 is an apocalyptic number.

489685969470 is an abundant number, since it is smaller than the sum of its proper divisors (698197796610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489685969470 is a wasteful number, since it uses less digits than its factorization.

489685969470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234381.

The product of its (nonzero) digits is 940584960, while the sum is 75.

The spelling of 489685969470 in words is "four hundred eighty-nine billion, six hundred eighty-five million, nine hundred sixty-nine thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 109 218 327 545 641 654 1090 1282 1635 1923 3205 3270 3846 6410 9615 19230 69869 139738 209607 233621 349345 419214 467242 698690 700863 1048035 1168105 1401726 2096070 2336210 3504315 7008630 25464689 50929378 76394067 127323445 149751061 152788134 254646890 299502122 381970335 449253183 748755305 763940670 898506366 1497510610 2246265915 4492531830 16322865649 32645731298 48968596947 81614328245 97937193894 163228656490 244842984735 489685969470