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23110033021020 = 223251129402473581
BaseRepresentation
bin1010100000100101110010…
…10011110001100001011100
310000211022000221021101210200
411100102321103301201130
511012113321423133040
6121052334055103500
74603434106356441
oct520227123614134
9100738027241720
1023110033021020
1173aaa01188020
122712a67371b90
13cb83611028aa
1459c7628919c8
152a1229546630
hex1504b94f185c

23110033021020 has 144 divisors (see below), whose sum is σ = 79110207277920. Its totient is φ = 5409244915200.

The previous prime is 23110033020967. The next prime is 23110033021043. The reversal of 23110033021020 is 2012033001132.

23110033021020 is a `hidden beast` number, since 2 + 3 + 1 + 100 + 330 + 210 + 20 = 666.

It is a super-3 number, since 3×231100330210203 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23110033020984 and 23110033021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 201179371 + ... + 201294210.

It is an arithmetic number, because the mean of its divisors is an integer number (549376439430).

Almost surely, 223110033021020 is an apocalyptic number.

23110033021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23110033021020 is an abundant number, since it is smaller than the sum of its proper divisors (56000174256900).

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

23110033021020 is a wasteful number, since it uses less digits than its factorization.

23110033021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402473636 (or 402473631 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23110033021020 its reverse (2012033001132), we get a palindrome (25122066022152).

The spelling of 23110033021020 in words is "twenty-three trillion, one hundred ten billion, thirty-three million, twenty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 29 30 33 36 44 45 55 58 60 66 87 90 99 110 116 132 145 165 174 180 198 220 261 290 319 330 348 396 435 495 522 580 638 660 870 957 990 1044 1276 1305 1595 1740 1914 1980 2610 2871 3190 3828 4785 5220 5742 6380 9570 11484 14355 19140 28710 57420 402473581 804947162 1207420743 1609894324 2012367905 2414841486 3622262229 4024735810 4427209391 4829682972 6037103715 7244524458 8049471620 8854418782 11671733849 12074207430 13281628173 14489048916 17708837564 18111311145 22136046955 23343467698 24148414860 26563256346 35015201547 36222622290 39844884519 44272093910 46686935396 53126512692 58358669245 66408140865 70030403094 72445244580 79689769038 88544187820 105045604641 116717338490 128389072339 132816281730 140060806188 159379538076 175076007735 199224422595 210091209282 233434676980 256778144678 265632563460 350152015470 385167217017 398448845190 420182418564 513556289356 525228023205 641945361695 700304030940 770334434034 796897690380 1050456046410 1155501651051 1283890723390 1540668868068 1925836085085 2100912092820 2311003302102 2567781446780 3851672170170 4622006604204 5777508255255 7703344340340 11555016510510 23110033021020