Base | Representation |
---|---|
bin | 111000011100011100… |
… | …1011101010001000011 |
3 | 102120212120220110101111 |
4 | 1300320321131101003 |
5 | 3441221144423332 |
6 | 131403525344151 |
7 | 11520534125161 |
oct | 1607071352103 |
9 | 376776813344 |
10 | 121213670467 |
11 | 47451a5876a |
12 | 1b5aa268057 |
13 | b579786c86 |
14 | 5c1c5d4231 |
15 | 32467e1947 |
hex | 1c38e5d443 |
121213670467 has 8 divisors (see below), whose sum is σ = 127057780080. Its totient is φ = 115507069440.
The previous prime is 121213670449. The next prime is 121213670551. The reversal of 121213670467 is 764076312121.
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 121213670467 - 231 = 119066186819 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121213670407) 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, 34375342 + ... + 34378867.
It is an arithmetic number, because the mean of its divisors is an integer number (15882222510).
Almost surely, 2121213670467 is an apocalyptic number.
121213670467 is a deficient number, since it is larger than the sum of its proper divisors (5844109613).
121213670467 is an equidigital number, since it uses as much as digits as its factorization.
121213670467 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68754293.
The product of its (nonzero) digits is 84672, while the sum is 40.
Adding to 121213670467 its reverse (764076312121), we get a palindrome (885289982588).
The spelling of 121213670467 in words is "one hundred twenty-one billion, two hundred thirteen million, six hundred seventy thousand, four hundred sixty-seven".
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