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121510053052 = 22113268827551
BaseRepresentation
bin111000100101010010…
…0000100010010111100
3102121122020121020212021
41301022210010102330
53442323033144202
6131453154045524
711531063260303
oct1611244042274
9377566536767
10121510053052
1147594291353
121b6715798a4
13b5c5cb939b
145c49b0543a
153262838a37
hex1c4a9044bc

121510053052 has 12 divisors (see below), whose sum is σ = 214524386496. Its totient is φ = 60217371200.

The previous prime is 121510053037. The next prime is 121510053053. The reversal of 121510053052 is 250350015121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121510053053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134413324 + ... + 134414227.

It is an arithmetic number, because the mean of its divisors is an integer number (17877032208).

Almost surely, 2121510053052 is an apocalyptic number.

It is an amenable number.

121510053052 is a deficient number, since it is larger than the sum of its proper divisors (93014333444).

121510053052 is a wasteful number, since it uses less digits than its factorization.

121510053052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268827668 (or 268827666 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 121510053052 its reverse (250350015121), we get a palindrome (371860068173).

The spelling of 121510053052 in words is "one hundred twenty-one billion, five hundred ten million, fifty-three thousand, fifty-two".

Divisors: 1 2 4 113 226 452 268827551 537655102 1075310204 30377513263 60755026526 121510053052