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121104313144 = 2315138039143
BaseRepresentation
bin111000011001001100…
…0010010101100111000
3102120120222010112100021
41300302120102230320
53441010201010034
6131345021420224
711515035451153
oct1606230225470
9376528115307
10121104313144
11473a6255a11
121b57970a674
13b55cc182b9
145c0bc88c9a
15323bdde6b4
hex1c32612b38

121104313144 has 8 divisors (see below), whose sum is σ = 227070587160. Its totient is φ = 60552156568.

The previous prime is 121104313069. The next prime is 121104313151. The reversal of 121104313144 is 441313401121.

121104313144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1211043131442 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7569019564 + ... + 7569019579.

It is an arithmetic number, because the mean of its divisors is an integer number (28383823395).

Almost surely, 2121104313144 is an apocalyptic number.

It is an amenable number.

121104313144 is a deficient number, since it is larger than the sum of its proper divisors (105966274016).

121104313144 is a wasteful number, since it uses less digits than its factorization.

121104313144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15138039149 (or 15138039145 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 121104313144 its reverse (441313401121), we get a palindrome (562417714265).

The spelling of 121104313144 in words is "one hundred twenty-one billion, one hundred four million, three hundred thirteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 15138039143 30276078286 60552156572 121104313144