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121234441401 = 3213470493489
BaseRepresentation
bin111000011101000100…
…0101100010010111001
3102120221000222201202100
41300322020230102321
53441242004111101
6131405550454013
711521205514633
oct1607210542271
9376830881670
10121234441401
1147462755227
121b5b5204309
13b580b7a278
145c2127da53
153248545e86
hex1c3a22c4b9

121234441401 has 6 divisors (see below), whose sum is σ = 175116415370. Its totient is φ = 80822960928.

The previous prime is 121234441379. The next prime is 121234441411. The reversal of 121234441401 is 104144432121.

121234441401 is a `hidden beast` number, since 1 + 21 + 234 + 4 + 4 + 1 + 401 = 666.

It can be written as a sum of positive squares in only one way, i.e., 92027289600 + 29207151801 = 303360^2 + 170901^2 .

It is not a de Polignac number, because 121234441401 - 25 = 121234441369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121234441411) 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 5 ways as a sum of consecutive naturals, for example, 6735246736 + ... + 6735246753.

Almost surely, 2121234441401 is an apocalyptic number.

It is an amenable number.

121234441401 is a deficient number, since it is larger than the sum of its proper divisors (53881973969).

121234441401 is a wasteful number, since it uses less digits than its factorization.

121234441401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13470493495 (or 13470493492 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 121234441401 its reverse (104144432121), we get a palindrome (225378873522).

The spelling of 121234441401 in words is "one hundred twenty-one billion, two hundred thirty-four million, four hundred forty-one thousand, four hundred one".

Divisors: 1 3 9 13470493489 40411480467 121234441401