Base | Representation |
---|---|
bin | 11011100010100011101111… |
… | …111000001001110100011101 |
3 | 120212212011022120002000112001 |
4 | 123202203233320021310131 |
5 | 111333431031132101414 |
6 | 1105334420421442301 |
7 | 34340532414536062 |
oct | 3342435770116435 |
9 | 525764276060461 |
10 | 121122102222109 |
11 | 3565866006a86a |
12 | 11702336b70391 |
13 | 52779c4297c81 |
14 | 21ca4abac6c69 |
15 | e009e56c8074 |
hex | 6e28efe09d1d |
121122102222109 has 8 divisors (see below), whose sum is σ = 133822885320000. Its totient is φ = 109040869519296.
The previous prime is 121122102222101. The next prime is 121122102222181. The reversal of 121122102222109 is 901222201221121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121122102222109 - 23 = 121122102222101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121122102222101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154887598359 + ... + 154887599140.
It is an arithmetic number, because the mean of its divisors is an integer number (16727860665000).
Almost surely, 2121122102222109 is an apocalyptic number.
It is an amenable number.
121122102222109 is a deficient number, since it is larger than the sum of its proper divisors (12700783097891).
121122102222109 is a wasteful number, since it uses less digits than its factorization.
121122102222109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309775197539.
The product of its (nonzero) digits is 1152, while the sum is 28.
The spelling of 121122102222109 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty-two thousand, one hundred nine".
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