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84668404260020 = 22574055914910977
BaseRepresentation
bin10011010000000101100110…
…001010001101110010110100
3102002210012221200002020012012
4103100011212022031302310
542044201342442310040
6500024043345343352
723556042662443130
oct2320054612156264
9362705850066165
1084668404260020
1124a837399a42a9
1295b5379337b58
13383227225ba49
1416c9d88c883c0
159bc645c15865
hex4d016628dcb4

84668404260020 has 48 divisors (see below), whose sum is σ = 203209193940480. Its totient is φ = 29028449501184.

The previous prime is 84668404260019. The next prime is 84668404260079. The reversal of 84668404260020 is 2006240486648.

It is a super-3 number, since 3×846684042600203 (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777229 + ... + 13133748.

It is an arithmetic number, because the mean of its divisors is an integer number (4233524873760).

Almost surely, 284668404260020 is an apocalyptic number.

It is an amenable number.

84668404260020 is an abundant number, since it is smaller than the sum of its proper divisors (118540789680460).

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

84668404260020 is a wasteful number, since it uses less digits than its factorization.

84668404260020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14951552 (or 14951550 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 50.

The spelling of 84668404260020 in words is "eighty-four trillion, six hundred sixty-eight billion, four hundred four million, two hundred sixty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 40559 81118 162236 202795 283913 405590 567826 811180 1135652 1419565 2839130 5678260 14910977 29821954 59643908 74554885 104376839 149109770 208753678 298219540 417507356 521884195 1043768390 2087536780 604774316143 1209548632286 2419097264572 3023871580715 4233420213001 6047743161430 8466840426002 12095486322860 16933680852004 21167101065005 42334202130010 84668404260020