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121441214564 = 2236791990017
BaseRepresentation
bin111000100011001110…
…1011110000001100100
3102121110110001220012122
41301012131132001210
53442202422331224
6131442254405112
711526266202065
oct1610635360144
9377413056178
10121441214564
1147559443a3a
121b652500798
13b5b4966457
145c4090656c
15325b78c15e
hex1c4675e064

121441214564 has 24 divisors (see below), whose sum is σ = 213335458560. Its totient is φ = 60488591616.

The previous prime is 121441214537. The next prime is 121441214567. The reversal of 121441214564 is 465412144121.

It is not an unprimeable number, because it can be changed into a prime (121441214567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304084 + ... + 1394100.

It is an arithmetic number, because the mean of its divisors is an integer number (8888977440).

Almost surely, 2121441214564 is an apocalyptic number.

It is an amenable number.

121441214564 is a deficient number, since it is larger than the sum of its proper divisors (91894243996).

121441214564 is a wasteful number, since it uses less digits than its factorization.

121441214564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91307 (or 91305 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

Adding to 121441214564 its reverse (465412144121), we get a palindrome (586853358685).

The spelling of 121441214564 in words is "one hundred twenty-one billion, four hundred forty-one million, two hundred fourteen thousand, five hundred sixty-four".

Divisors: 1 2 4 367 734 919 1468 1838 3676 90017 180034 337273 360068 674546 1349092 33036239 66072478 82725623 132144956 165451246 330902492 30360303641 60720607282 121441214564