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331464135160220 = 225431399275499223
BaseRepresentation
bin100101101011101110000001…
…0000010000011000110011100
31121110121122212111020211222112
41023113130002002003012130
5321421202022100111340
63132544304353133152
7126550331160532616
oct11327340202030634
91543548774224875
10331464135160220
1196684172055a07
1231213b7825a1b8
13112c4c1a800c7a
145bbcd42139db6
15284c22206d065
hex12d770208319c

331464135160220 has 48 divisors (see below), whose sum is σ = 712771592332800. Its totient is φ = 129409698551616.

The previous prime is 331464135160189. The next prime is 331464135160261. The reversal of 331464135160220 is 22061531464133.

It is a happy number.

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, 136546472 + ... + 138952751.

It is an arithmetic number, because the mean of its divisors is an integer number (14849408173600).

Almost surely, 2331464135160220 is an apocalyptic number.

It is an amenable number.

331464135160220 is an abundant number, since it is smaller than the sum of its proper divisors (381307457172580).

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

331464135160220 is a wasteful number, since it uses less digits than its factorization.

331464135160220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275500674 (or 275500672 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 331464135160220 in words is "three hundred thirty-one trillion, four hundred sixty-four billion, one hundred thirty-five million, one hundred sixty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 1399 2798 5596 6995 13990 27980 60157 120314 240628 300785 601570 1203140 275499223 550998446 1101996892 1377496115 2754992230 5509984460 11846466589 23692933178 47385866356 59232332945 118464665890 236929331780 385423412977 770846825954 1541693651908 1927117064885 3854234129770 7708468259540 16573206758011 33146413516022 66292827032044 82866033790055 165732067580110 331464135160220