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188189378230196 = 22710166545041807
BaseRepresentation
bin101010110010100001000001…
…000010100011011110110100
3220200022201200100002211022202
4222302201001002203132310
5144131243321311331241
61504125001252044032
754432143140555220
oct5262410102433664
9820281610084282
10188189378230196
1154a65737a188a2
1219134442003618
13810124a452595
1434685b3591780
1516b5386d66d9b
hexab28410a37b4

188189378230196 has 24 divisors (see below), whose sum is σ = 380105278807296. Its totient is φ = 79854050167200.

The previous prime is 188189378230129. The next prime is 188189378230237. The reversal of 188189378230196 is 691032873981881.

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, 33272518076 + ... + 33272523731.

It is an arithmetic number, because the mean of its divisors is an integer number (15837719950304).

Almost surely, 2188189378230196 is an apocalyptic number.

It is an amenable number.

188189378230196 is an abundant number, since it is smaller than the sum of its proper divisors (191915900577100).

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

188189378230196 is a wasteful number, since it uses less digits than its factorization.

188189378230196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66545041919 (or 66545041917 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 74.

The spelling of 188189378230196 in words is "one hundred eighty-eight trillion, one hundred eighty-nine billion, three hundred seventy-eight million, two hundred thirty thousand, one hundred ninety-six".

Divisors: 1 2 4 7 14 28 101 202 404 707 1414 2828 66545041807 133090083614 266180167228 465815292649 931630585298 1863261170596 6721049222507 13442098445014 26884196890028 47047344557549 94094689115098 188189378230196