Base | Representation |
---|---|
bin | 1011111110000100… |
… | …0010101101101001 |
3 | 22021221000220110120 |
4 | 2333201002231221 |
5 | 23040024010441 |
6 | 1250500033453 |
7 | 142423661664 |
oct | 27741025551 |
9 | 8257026416 |
10 | 3213110121 |
11 | 13a9798211 |
12 | 758092889 |
13 | 3c28abbc0 |
14 | 226a3c6db |
15 | 13c13c966 |
hex | bf842b69 |
3213110121 has 32 divisors (see below), whose sum is σ = 4861207680. Its totient is φ = 1871424000.
The previous prime is 3213110101. The next prime is 3213110123. The reversal of 3213110121 is 1210113123.
It is a happy number.
It is not a de Polignac number, because 3213110121 - 26 = 3213110057 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 3213110121.
It is not an unprimeable number, because it can be changed into a prime (3213110123) 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 in 31 ways as a sum of consecutive naturals, for example, 1407501 + ... + 1409781.
It is an arithmetic number, because the mean of its divisors is an integer number (151912740).
Almost surely, 23213110121 is an apocalyptic number.
It is an amenable number.
3213110121 is a deficient number, since it is larger than the sum of its proper divisors (1648097559).
3213110121 is a wasteful number, since it uses less digits than its factorization.
3213110121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4217.
The product of its (nonzero) digits is 36, while the sum is 15.
The square root of 3213110121 is about 56684.3022449778. The cubic root of 3213110121 is about 1475.6222782366.
Adding to 3213110121 its reverse (1210113123), we get a palindrome (4423223244).
The spelling of 3213110121 in words is "three billion, two hundred thirteen million, one hundred ten thousand, one hundred twenty-one".
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