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121335105244 = 22171784339783
BaseRepresentation
bin111000100000000100…
…0101100011011011100
3102121012001101222120211
41301000020230123130
53441443241331434
6131423544222204
711523540243343
oct1610010543334
9377161358524
10121335105244
114750455a491
121b622a6a964
13b598993c82
145c307a4b5a
1532522cc464
hex1c4022c6dc

121335105244 has 12 divisors (see below), whose sum is σ = 224826812784. Its totient is φ = 57098873024.

The previous prime is 121335105233. The next prime is 121335105259. The reversal of 121335105244 is 442501533121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892169824 + ... + 892169959.

It is an arithmetic number, because the mean of its divisors is an integer number (18735567732).

Almost surely, 2121335105244 is an apocalyptic number.

It is an amenable number.

121335105244 is a deficient number, since it is larger than the sum of its proper divisors (103491707540).

121335105244 is a wasteful number, since it uses less digits than its factorization.

121335105244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784339804 (or 1784339802 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 121335105244 its reverse (442501533121), we get a palindrome (563836638365).

The spelling of 121335105244 in words is "one hundred twenty-one billion, three hundred thirty-five million, one hundred five thousand, two hundred forty-four".

Divisors: 1 2 4 17 34 68 1784339783 3568679566 7137359132 30333776311 60667552622 121335105244