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121341523044 = 223711312783557
BaseRepresentation
bin111000100000010000…
…1001011010001100100
3102121012111111001011010
41301000201023101210
53442001412214134
6131424333542220
711523645633210
oct1610041132144
9377174431133
10121341523044
1147508143255
121b625044970
13b59a1001a1
145c31595940
153252b48ce9
hex1c4084b464

121341523044 has 48 divisors (see below), whose sum is σ = 326440937088. Its totient is φ = 34362198528.

The previous prime is 121341523019. The next prime is 121341523057. The reversal of 121341523044 is 440325143121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6382287 + ... + 6401270.

It is an arithmetic number, because the mean of its divisors is an integer number (6800852856).

Almost surely, 2121341523044 is an apocalyptic number.

121341523044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121341523044 is an abundant number, since it is smaller than the sum of its proper divisors (205099414044).

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

121341523044 is a wasteful number, since it uses less digits than its factorization.

121341523044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12783684 (or 12783682 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 121341523044 its reverse (440325143121), we get a palindrome (561666666165).

The spelling of 121341523044 in words is "one hundred twenty-one billion, three hundred forty-one million, five hundred twenty-three thousand, forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 113 226 339 452 678 791 1356 1582 2373 3164 4746 9492 12783557 25567114 38350671 51134228 76701342 89484899 153402684 178969798 268454697 357939596 536909394 1073818788 1444541941 2889083882 4333625823 5778167764 8667251646 10111793587 17334503292 20223587174 30335380761 40447174348 60670761522 121341523044