Base | Representation |
---|---|
bin | 1011111111111110… |
… | …0100011001010001 |
3 | 22022111002110112022 |
4 | 2333333210121101 |
5 | 23044101044101 |
6 | 1251343341225 |
7 | 142552001153 |
oct | 27777443121 |
9 | 8274073468 |
10 | 3221112401 |
11 | 1403263471 |
12 | 75a8b1815 |
13 | 3c4451390 |
14 | 227b22ad3 |
15 | 13cbbda1b |
hex | bffe4651 |
3221112401 has 4 divisors (see below), whose sum is σ = 3468890292. Its totient is φ = 2973334512.
The previous prime is 3221112373. The next prime is 3221112403. The reversal of 3221112401 is 1042111223.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 689010001 + 2532102400 = 26249^2 + 50320^2 .
It is a cyclic number.
It is not a de Polignac number, because 3221112401 - 218 = 3220850257 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3221112401.
It is not an unprimeable number, because it can be changed into a prime (3221112403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123888926 + ... + 123888951.
It is an arithmetic number, because the mean of its divisors is an integer number (867222573).
Almost surely, 23221112401 is an apocalyptic number.
It is an amenable number.
3221112401 is a deficient number, since it is larger than the sum of its proper divisors (247777891).
3221112401 is a wasteful number, since it uses less digits than its factorization.
3221112401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247777890.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 3221112401 is about 56754.8447359342. The cubic root of 3221112401 is about 1476.8462795741.
Adding to 3221112401 its reverse (1042111223), we get a palindrome (4263223624).
The spelling of 3221112401 in words is "three billion, two hundred twenty-one million, one hundred twelve thousand, four hundred one".
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