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64290368893380 = 22357790119373789
BaseRepresentation
bin11101001111000110001001…
…00110011011000111000100
322102122002200100101100002220
432213203010212123013010
531411313133414042010
6344422330541332340
716353553163006160
oct1647430446330704
9272562610340086
1064290368893380
1119537435215023
127263aa25670b0
1329b472c058066
1411c3955a3dca0
1576751792a970
hex3a78c499b1c4

64290368893380 has 96 divisors (see below), whose sum is σ = 205755229451520. Its totient is φ = 14693080819200.

The previous prime is 64290368893369. The next prime is 64290368893403. The reversal of 64290368893380 is 8339886309246.

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, 6368475 + ... + 13005314.

It is an arithmetic number, because the mean of its divisors is an integer number (2143283640120).

Almost surely, 264290368893380 is an apocalyptic number.

64290368893380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64290368893380 is an abundant number, since it is smaller than the sum of its proper divisors (141464860558140).

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

64290368893380 is a wasteful number, since it uses less digits than its factorization.

64290368893380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19381709 (or 19381707 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 69.

The spelling of 64290368893380 in words is "sixty-four trillion, two hundred ninety billion, three hundred sixty-eight million, eight hundred ninety-three thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 7901 15802 23703 31604 39505 47406 55307 79010 94812 110614 118515 158020 165921 221228 237030 276535 331842 474060 553070 663684 829605 1106140 1659210 3318420 19373789 38747578 58121367 77495156 96868945 116242734 135616523 193737890 232485468 271233046 290606835 387475780 406849569 542466092 581213670 678082615 813699138 1162427340 1356165230 1627398276 2034247845 2712330460 4068495690 8136991380 153072306889 306144613778 459216920667 612289227556 765361534445 918433841334 1071506148223 1530723068890 1836867682668 2143012296446 2296084603335 3061446137780 3214518444669 4286024592892 4592169206670 5357530741115 6429036889338 9184338413340 10715061482230 12858073778676 16072592223345 21430122964460 32145184446690 64290368893380