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13121030031122 = 2132931247385279
BaseRepresentation
bin1011111011101111101001…
…0101011000011100010010
31201110100200010212010211202
42332323322111120130102
53204433332141443442
643523415030111202
72522651233033106
oct276737225303422
951410603763752
1013121030031122
1141a966342a502
12157ab3a4ab502
13742400395b50
143350c0095906
1517b494ca1c32
hexbeefa558712

13121030031122 has 96 divisors (see below), whose sum is σ = 23138622259200. Its totient is φ = 5538016794240.

The previous prime is 13121030031103. The next prime is 13121030031191. The reversal of 13121030031122 is 22113003012131.

It is a happy number.

It is a super-2 number, since 2×131210300311222 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13121030031094 and 13121030031103.

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, 33863279 + ... + 34248557.

It is an arithmetic number, because the mean of its divisors is an integer number (241027315200).

Almost surely, 213121030031122 is an apocalyptic number.

13121030031122 is a deficient number, since it is larger than the sum of its proper divisors (10017592228078).

13121030031122 is a wasteful number, since it uses less digits than its factorization.

13121030031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385432 (or 385401 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13121030031122 its reverse (22113003012131), we get a palindrome (35234033043253).

The spelling of 13121030031122 in words is "thirteen trillion, one hundred twenty-one billion, thirty million, thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 13 26 29 31 47 58 62 94 377 403 611 754 806 899 961 1222 1363 1457 1798 1922 2726 2914 11687 12493 17719 18941 23374 24986 27869 35438 37882 42253 45167 55738 84506 90334 362297 385279 549289 587171 724594 770558 1098578 1174342 1309843 2619686 5008627 10017254 11173091 11943649 17027959 18108113 22346182 23887298 34055918 36216226 145250183 155267437 235405469 290500366 310534874 346365821 370253119 470810938 525135277 561351503 692731642 740506238 1050270554 1122703006 4502755673 4813290547 6826758601 7297569539 9005511346 9626581094 10737340451 13653517202 14595139078 16279193587 17401896593 21474680902 32558387174 34803793186 139585425863 211629516631 226224655709 279170851726 423259033262 452449311418 504655001197 1009310002394 6560515015561 13121030031122