Base | Representation |
---|---|
bin | 1011111111101101… |
… | …0111100000010111 |
3 | 22022102000111201211 |
4 | 2333323113200113 |
5 | 23043310323111 |
6 | 1251304002251 |
7 | 142536433156 |
oct | 27773274027 |
9 | 8272014654 |
10 | 3220011031 |
11 | 1402680a46 |
12 | 75a460387 |
13 | 3c4156c93 |
14 | 22791759d |
15 | 13ca52521 |
hex | bfed7817 |
3220011031 has 4 divisors (see below), whose sum is σ = 3288521952. Its totient is φ = 3151500112.
The previous prime is 3220010999. The next prime is 3220011037. The reversal of 3220011031 is 1301100223.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1301100223 = 103 ⋅12632041.
It is a cyclic number.
It is not a de Polignac number, because 3220011031 - 25 = 3220010999 is a prime.
It is a super-2 number, since 2×32200110312 = 20736942079523365922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3220011037) 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, 34255390 + ... + 34255483.
It is an arithmetic number, because the mean of its divisors is an integer number (822130488).
Almost surely, 23220011031 is an apocalyptic number.
3220011031 is a deficient number, since it is larger than the sum of its proper divisors (68510921).
3220011031 is an equidigital number, since it uses as much as digits as its factorization.
3220011031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68510920.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 3220011031 is about 56745.1410342771. The cubic root of 3220011031 is about 1476.6779381851.
Adding to 3220011031 its reverse (1301100223), we get a palindrome (4521111254).
The spelling of 3220011031 in words is "three billion, two hundred twenty million, eleven thousand, thirty-one".
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