Base | Representation |
---|---|
bin | 1011111011110000110001… |
… | …1010000000000111101101 |
3 | 1201110101110021101100101221 |
4 | 2332330030122000013231 |
5 | 3204434442301411414 |
6 | 43523505100503341 |
7 | 2522661604144024 |
oct | 276741432000755 |
9 | 51411407340357 |
10 | 13121333232109 |
11 | 41a97a959a933 |
12 | 157b003b4ab51 |
13 | 74244b14490b |
14 | 33510c45d8bb |
15 | 17b4b16e4224 |
hex | bef0c6801ed |
13121333232109 has 8 divisors (see below), whose sum is σ = 13622894548992. Its totient is φ = 12624665196720.
The previous prime is 13121333232071. The next prime is 13121333232187. The reversal of 13121333232109 is 90123233312131.
13121333232109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 13121333232109 - 213 = 13121333223917 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 (13121333232199) 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, 1223314909 + ... + 1223325634.
It is an arithmetic number, because the mean of its divisors is an integer number (1702861818624).
Almost surely, 213121333232109 is an apocalyptic number.
It is an amenable number.
13121333232109 is a deficient number, since it is larger than the sum of its proper divisors (501561316883).
13121333232109 is a wasteful number, since it uses less digits than its factorization.
13121333232109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2446640747.
The product of its (nonzero) digits is 17496, while the sum is 34.
The spelling of 13121333232109 in words is "thirteen trillion, one hundred twenty-one billion, three hundred thirty-three million, two hundred thirty-two thousand, one hundred nine".
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