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166741380385230 = 23573932992018837
BaseRepresentation
bin100101111010011010000000…
…101111110100100111001110
3210212101022122111020100221110
4211322122000233310213032
5133323342321334311410
61350343533242512450
750056444563116220
oct4572320057644716
9725338574210843
10166741380385230
114914669331a202
121684b71ab05726
13720684c5451b1
142d2647c294410
1514424d5167720
hex97a680bf49ce

166741380385230 has 64 divisors (see below), whose sum is σ = 457349175590400. Its totient is φ = 38112199734144.

The previous prime is 166741380385219. The next prime is 166741380385273. The reversal of 166741380385230 is 32583083147661.

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, 81583372 + ... + 83602208.

It is an arithmetic number, because the mean of its divisors is an integer number (7146080868600).

Almost surely, 2166741380385230 is an apocalyptic number.

166741380385230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166741380385230 is an abundant number, since it is smaller than the sum of its proper divisors (290607795205170).

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

166741380385230 is a wasteful number, since it uses less digits than its factorization.

166741380385230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412153.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 166741380385230 in words is "one hundred sixty-six trillion, seven hundred forty-one billion, three hundred eighty million, three hundred eighty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 393299 786598 1179897 1966495 2018837 2359794 2753093 3932990 4037674 5506186 5899485 6056511 8259279 10094185 11798970 12113022 13765465 14131859 16518558 20188370 27530930 28263718 30282555 41296395 42395577 60565110 70659295 82592790 84791154 141318590 211977885 423955770 794006573263 1588013146526 2382019719789 3970032866315 4764039439578 5558046012841 7940065732630 11116092025682 11910098598945 16674138038523 23820197197890 27790230064205 33348276077046 55580460128410 83370690192615 166741380385230