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12443250243402 = 23311313779178817
BaseRepresentation
bin1011010100010010101110…
…0000101011011101001010
31122001120012111121111001000
42311010223200223131022
53112332234030242102
642244203353035430
72422665224634426
oct265045340533512
948046174544030
1012443250243402
113a68175405210
12148b7033b5b76
136c3516591114
14310383c95b86
15168a2682601c
hexb512b82b74a

12443250243402 has 128 divisors (see below), whose sum is σ = 31146948403200. Its totient is φ = 3648060979200.

The previous prime is 12443250243379. The next prime is 12443250243461. The reversal of 12443250243402 is 20434205234421.

12443250243402 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 3 + 2 + 5 + 0 + 243 + 402 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69497098 + ... + 69675914.

It is an arithmetic number, because the mean of its divisors is an integer number (243335534400).

Almost surely, 212443250243402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12443250243402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15573474201600).

12443250243402 is an abundant number, since it is smaller than the sum of its proper divisors (18703698159798).

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

12443250243402 is a wasteful number, since it uses less digits than its factorization.

12443250243402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182649 (or 182643 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 12443250243402 its reverse (20434205234421), we get a palindrome (32877455477823).

The spelling of 12443250243402 in words is "twelve trillion, four hundred forty-three billion, two hundred fifty million, two hundred forty-three thousand, four hundred two".

Divisors: 1 2 3 6 9 11 18 22 27 31 33 54 62 66 93 99 186 198 279 297 341 558 594 682 837 1023 1674 2046 3069 3779 6138 7558 9207 11337 18414 22674 34011 41569 68022 83138 102033 117149 124707 178817 204066 234298 249414 351447 357634 374121 536451 702894 748242 1054341 1072902 1122363 1288639 1609353 1966987 2108682 2244726 2577278 3163023 3218706 3865917 3933974 4828059 5543327 5900961 6326046 7731834 9656118 11086654 11597751 11801922 16629981 17702883 23195502 33259962 34793253 35405766 49889943 53108649 60976597 69586506 99779886 106217298 121953194 149669829 182929791 299339658 365859582 548789373 675749443 1097578746 1351498886 1646368119 2027248329 3292736238 4054496658 6081744987 7433243873 12163489974 14866487746 18245234961 20948232733 22299731619 36490469922 41896465466 44599463238 62844698199 66899194857 125689396398 133798389714 188534094597 200697584571 230430560063 377068189194 401395169142 460861120126 565602283791 691291680189 1131204567582 1382583360378 2073875040567 4147750081134 6221625121701 12443250243402