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121230122309 = 2335491148513
BaseRepresentation
bin111000011100111100…
…0001101110101000101
3102120220201212022001222
41300321320031311011
53441234402403214
6131405314130125
711521124015552
oct1607170156505
9376821768058
10121230122309
114746027522a
121b5b3880945
13b57ccc73aa
145c20877a29
153247e9138e
hex1c39e0dd45

121230122309 has 8 divisors (see below), whose sum is σ = 126505413312. Its totient is φ = 115955199360.

The previous prime is 121230122297. The next prime is 121230122329. The reversal of 121230122309 is 903221032121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121230122309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230122329) 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 7 ways as a sum of consecutive naturals, for example, 742037 + ... + 890549.

It is an arithmetic number, because the mean of its divisors is an integer number (15813176664).

Almost surely, 2121230122309 is an apocalyptic number.

It is an amenable number.

121230122309 is a deficient number, since it is larger than the sum of its proper divisors (5275291003).

121230122309 is a wasteful number, since it uses less digits than its factorization.

121230122309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184027.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 121230122309 in words is "one hundred twenty-one billion, two hundred thirty million, one hundred twenty-two thousand, three hundred nine".

Divisors: 1 23 35491 148513 816293 3415799 5270874883 121230122309