Base | Representation |
---|---|
bin | 1011111111111100… |
… | …1001111011111111 |
3 | 22022110212221212121 |
4 | 2333333021323333 |
5 | 23044034112111 |
6 | 1251341143411 |
7 | 142551040210 |
oct | 27777117377 |
9 | 8273787777 |
10 | 3221004031 |
11 | 140319a003 |
12 | 75a85ab67 |
13 | 3c4413c5b |
14 | 227ad5407 |
15 | 13cb9b871 |
hex | bffc9eff |
3221004031 has 16 divisors (see below), whose sum is σ = 3784435200. Its totient is φ = 2683545120.
The previous prime is 3221004023. The next prime is 3221004041. The reversal of 3221004031 is 1304001223.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 3221004031 - 23 = 3221004023 is a prime.
It is a super-2 number, since 2×32210040312 = 20749733935436497922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3221003996 and 3221004014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3221004001) 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, 276870 + ... + 288268.
It is an arithmetic number, because the mean of its divisors is an integer number (236527200).
Almost surely, 23221004031 is an apocalyptic number.
3221004031 is a deficient number, since it is larger than the sum of its proper divisors (563431169).
3221004031 is a wasteful number, since it uses less digits than its factorization.
3221004031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12534.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 3221004031 is about 56753.8900076462. The cubic root of 3221004031 is about 1476.8297172186.
Adding to 3221004031 its reverse (1304001223), we get a palindrome (4525005254).
The spelling of 3221004031 in words is "three billion, two hundred twenty-one million, four thousand, thirty-one".
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