Base | Representation |
---|---|
bin | 10110100100111011… |
… | …11100110101010111 |
3 | 1011021201210122221012 |
4 | 23102131330311113 |
5 | 144310434020203 |
6 | 5322431042435 |
7 | 606240545135 |
oct | 132235746527 |
9 | 34251718835 |
10 | 12121001303 |
11 | 515aa97754 |
12 | 242337041b |
13 | 11b224c428 |
14 | 82db18755 |
15 | 4ae1c2bd8 |
hex | 2d277cd57 |
12121001303 has 8 divisors (see below), whose sum is σ = 12781383600. Its totient is φ = 11462862528.
The previous prime is 12121001267. The next prime is 12121001381. The reversal of 12121001303 is 30310012121.
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 12121001303 - 218 = 12120739159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12121001383) 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, 549776 + ... + 571397.
It is an arithmetic number, because the mean of its divisors is an integer number (1597672950).
Almost surely, 212121001303 is an apocalyptic number.
12121001303 is a deficient number, since it is larger than the sum of its proper divisors (660382297).
12121001303 is a wasteful number, since it uses less digits than its factorization.
12121001303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1121761.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 12121001303 its reverse (30310012121), we get a palindrome (42431013424).
The spelling of 12121001303 in words is "twelve billion, one hundred twenty-one million, one thousand, three hundred three".
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