Base | Representation |
---|---|
bin | 1101000101100101… |
… | …1101011000111001 |
3 | 100001211112120211202 |
4 | 3101121131120321 |
5 | 24143324041441 |
6 | 1340334103545 |
7 | 153025650251 |
oct | 32131353071 |
9 | 10054476752 |
10 | 3513112121 |
11 | 1543073152 |
12 | 82064abb5 |
13 | 43caaa88c |
14 | 254812961 |
15 | 15864c19b |
hex | d165d639 |
3513112121 has 2 divisors, whose sum is σ = 3513112122. Its totient is φ = 3513112120.
The previous prime is 3513112117. The next prime is 3513112181. The reversal of 3513112121 is 1212113153.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2937640000 + 575472121 = 54200^2 + 23989^2 .
It is an emirp because it is prime and its reverse (1212113153) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3513112121 - 22 = 3513112117 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3513112093 and 3513112102.
It is not a weakly prime, because it can be changed into another prime (3513112181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1756556060 + 1756556061.
It is an arithmetic number, because the mean of its divisors is an integer number (1756556061).
Almost surely, 23513112121 is an apocalyptic number.
It is an amenable number.
3513112121 is a deficient number, since it is larger than the sum of its proper divisors (1).
3513112121 is an equidigital number, since it uses as much as digits as its factorization.
3513112121 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 180, while the sum is 20.
The square root of 3513112121 is about 59271.5118838722. The cubic root of 3513112121 is about 1520.1881289825.
Adding to 3513112121 its reverse (1212113153), we get a palindrome (4725225274).
The spelling of 3513112121 in words is "three billion, five hundred thirteen million, one hundred twelve thousand, one hundred twenty-one".
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