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121323230203203 = 3373075216476203
BaseRepresentation
bin11011100101011111000100…
…000010100000110101000011
3120220120101110111212002012000
4123211133010002200311003
5111400224433413000303
61110011042244235043
734361212513265520
oct3345370402406503
9526511414762160
10121323230203203
1135725990617946
121173530839ba83
1352909681b3b82
1421d610b90c147
15e05d67badda3
hex6e57c40a0d43

121323230203203 has 128 divisors (see below), whose sum is σ = 206832124477440. Its totient is φ = 68851404760320.

The previous prime is 121323230203193. The next prime is 121323230203207. The reversal of 121323230203203 is 302302032323121.

121323230203203 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 2 + 32 + 302 + 0 + 320 + 3 = 666.

It is not a de Polignac number, because 121323230203203 - 25 = 121323230203171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121323230203207) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19558795900 + ... + 19558802102.

It is an arithmetic number, because the mean of its divisors is an integer number (1615875972480).

Almost surely, 2121323230203203 is an apocalyptic number.

121323230203203 is a deficient number, since it is larger than the sum of its proper divisors (85508894274237).

121323230203203 is a wasteful number, since it uses less digits than its factorization.

121323230203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694 (or 7688 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 121323230203203 its reverse (302302032323121), we get a palindrome (423625262526324).

The spelling of 121323230203203 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, two hundred thirty million, two hundred three thousand, two hundred three".

Divisors: 1 3 7 9 21 27 63 189 307 521 647 921 1563 1941 2149 2763 3647 4529 4689 5823 6203 6447 8289 10941 13587 14067 17469 18609 19341 32823 40761 43421 55827 58023 98469 122283 130263 159947 167481 198629 337087 390789 479841 595887 1011261 1119629 1172367 1390403 1439523 1787661 1904321 2359609 3033783 3231763 3358887 4013341 4171209 4318569 5362983 5712963 7078827 9101349 9695289 10076661 12040023 12513627 13330247 17138889 21236481 22622341 28093387 29085867 30229983 36120069 37540881 39990741 51416667 63709443 67867023 84280161 87257601 103485709 108360207 119972223 203601069 252840483 310457127 359916669 610803207 724399963 758521449 931371381 992151241 1232095687 2090950661 2173199889 2794114143 2976453723 3696287061 6272851983 6519599667 6945058687 8624669809 8929361169 11088861183 14636654627 18818555949 19558799001 20835176061 25874009427 26788083507 33266583549 43909963881 56455667847 62505528183 77622028281 131729891643 187516584549 232866084843 395189674929 641921852927 1925765558781 4493452970489 5777296676343 13480358911467 17331890029029 40441076734401 121323230203203