Base | Representation |
---|---|
bin | 1011111101100100… |
… | …0010100000011011 |
3 | 22021210002022112221 |
4 | 2333121002200123 |
5 | 23034004341443 |
6 | 1250343044511 |
7 | 142400103244 |
oct | 27731024033 |
9 | 8253068487 |
10 | 3211012123 |
11 | 13a8594a30 |
12 | 757440737 |
13 | 3c2325c97 |
14 | 226653ccb |
15 | 13bd75eed |
hex | bf64281b |
3211012123 has 16 divisors (see below), whose sum is σ = 3576065760. Its totient is φ = 2858572800.
The previous prime is 3211012109. The next prime is 3211012157. The reversal of 3211012123 is 3212101123.
3211012123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3211012123 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3211012097 and 3211012106.
It is not an unprimeable number, because it can be changed into a prime (3211022123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143211 + ... + 164107.
It is an arithmetic number, because the mean of its divisors is an integer number (223504110).
Almost surely, 23211012123 is an apocalyptic number.
3211012123 is a deficient number, since it is larger than the sum of its proper divisors (365053637).
3211012123 is a wasteful number, since it uses less digits than its factorization.
3211012123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21198.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 3211012123 is about 56665.7932354255. The cubic root of 3211012123 is about 1475.3010394650.
Adding to 3211012123 its reverse (3212101123), we get a palindrome (6423113246).
The spelling of 3211012123 in words is "three billion, two hundred eleven million, twelve thousand, one hundred twenty-three".
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