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121242441030 = 235127212914947
BaseRepresentation
bin111000011101010011…
…1001101010101000110
3102120221121001011011220
41300322213031111012
53441301031103110
6131410434141210
711521333513314
oct1607247152506
9376847034156
10121242441030
1147467219497
121b5b7a21806
13b58271b489
145c223630b4
1532490c6370
hex1c3a9cd546

121242441030 has 64 divisors (see below), whose sum is σ = 293430435840. Its totient is φ = 32059528704.

The previous prime is 121242441029. The next prime is 121242441037. The reversal of 121242441030 is 30144242121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121242441037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8104017 + ... + 8118963.

It is an arithmetic number, because the mean of its divisors is an integer number (4584850560).

Almost surely, 2121242441030 is an apocalyptic number.

121242441030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121242441030 is an abundant number, since it is smaller than the sum of its proper divisors (172187994810).

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

121242441030 is a wasteful number, since it uses less digits than its factorization.

121242441030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17213.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 121242441030 its reverse (30144242121), we get a palindrome (151386683151).

The spelling of 121242441030 in words is "one hundred twenty-one billion, two hundred forty-two million, four hundred forty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 127 254 381 635 762 1270 1905 2129 3810 4258 6387 10645 12774 14947 21290 29894 31935 44841 63870 74735 89682 149470 224205 270383 448410 540766 811149 1351915 1622298 1898269 2703830 3796538 4055745 5694807 8111490 9491345 11389614 18982690 28474035 31822163 56948070 63644326 95466489 159110815 190932978 318221630 477332445 954664890 4041414701 8082829402 12124244103 20207073505 24248488206 40414147010 60621220515 121242441030