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12104143002 = 2327192281947
BaseRepresentation
bin10110100010111011…
…01001000010011010
31011020120002011200200
423101131221002122
5144242130034002
65321025443030
7605644342440
oct132135510232
934216064620
1012104143002
115151522876
1224197a0476
1311ab8c8cc3
1482b7aab90
154ac992b1c
hex2d176909a

12104143002 has 144 divisors (see below), whose sum is σ = 31778764992. Its totient is φ = 3261202560.

The previous prime is 12104142997. The next prime is 12104143003. The reversal of 12104143002 is 20034140121.

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

It is not an unprimeable number, because it can be changed into a prime (12104143003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12781093 + ... + 12782039.

It is an arithmetic number, because the mean of its divisors is an integer number (220685868).

Almost surely, 212104143002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12104143002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15889382496).

12104143002 is an abundant number, since it is smaller than the sum of its proper divisors (19674621990).

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

12104143002 is a wasteful number, since it uses less digits than its factorization.

12104143002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12104143002 its reverse (20034140121), we get a palindrome (32138283123).

The spelling of 12104143002 in words is "twelve billion, one hundred four million, one hundred forty-three thousand, two".

Divisors: 1 2 3 6 7 9 14 18 19 21 38 42 57 63 114 126 133 171 266 281 342 361 399 562 722 798 843 947 1083 1197 1686 1894 1967 2166 2394 2527 2529 2841 3249 3934 5054 5058 5339 5682 5901 6498 6629 7581 8523 10678 11802 13258 15162 16017 17046 17703 17993 19887 22743 32034 35406 35986 37373 39774 45486 48051 53979 59661 74746 96102 101441 107958 112119 119322 125951 161937 202882 224238 251902 266107 304323 323874 336357 341867 377853 532214 608646 672714 683734 710087 755706 798321 912969 1025601 1133559 1420174 1596642 1825938 1862749 2051202 2130261 2267118 2393069 2394963 3076803 3725498 4260522 4786138 4789926 5056033 5588247 6153606 6390783 7179207 10112066 11176494 12781566 14358414 15168099 16764741 21537621 30336198 33529482 35392231 43075242 45504297 70784462 91008594 96064627 106176693 192129254 212353386 288193881 318530079 576387762 637060158 672452389 864581643 1344904778 1729163286 2017357167 4034714334 6052071501 12104143002