Base | Representation |
---|---|
bin | 111000011011101111… |
… | …0001100010101011000 |
3 | 102120210220212222012102 |
4 | 1300313132030111120 |
5 | 3441144033333013 |
6 | 131401312502532 |
7 | 11520123562442 |
oct | 1606736142530 |
9 | 376726788172 |
10 | 121189746008 |
11 | 4743a4a7991 |
12 | 1b5a224aa48 |
13 | b57482b4a6 |
14 | 5c19367492 |
15 | 3244667d58 |
hex | 1c3778c558 |
121189746008 has 16 divisors (see below), whose sum is σ = 228420466560. Its totient is φ = 60277621600.
The previous prime is 121189745927. The next prime is 121189746059. The reversal of 121189746008 is 800647981121.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 39654803 + ... + 39657858.
It is an arithmetic number, because the mean of its divisors is an integer number (14276279160).
Almost surely, 2121189746008 is an apocalyptic number.
It is an amenable number.
121189746008 is a deficient number, since it is larger than the sum of its proper divisors (107230720552).
121189746008 is a wasteful number, since it uses less digits than its factorization.
121189746008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79312858 (or 79312854 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 47.
The spelling of 121189746008 in words is "one hundred twenty-one billion, one hundred eighty-nine million, seven hundred forty-six thousand, eight".
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