| Base | Representation |
|---|---|
| bin | 10101110101011100… |
| … | …01101001100100001 |
| 3 | 1010020222011021001001 |
| 4 | 22322232031030201 |
| 5 | 143001442000231 |
| 6 | 5215120112001 |
| 7 | 563332351624 |
| oct | 127256151441 |
| 9 | 33228137031 |
| 10 | 11722609441 |
| 11 | 4a7611aa84 |
| 12 | 2331a65601 |
| 13 | 114a851aba |
| 14 | 7d2c51dbb |
| 15 | 48922ab61 |
| hex | 2bab8d321 |
11722609441 has 3 divisors (see below), whose sum is σ = 11722717713. Its totient is φ = 11722501170.
The previous prime is 11722609427. The next prime is 11722609487. The reversal of 11722609441 is 14490622711.
The square root of 11722609441 is 108271.
It is a perfect power (a square), and thus also a powerful number.
11722609441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14490622711 = 97 ⋅149387863.
It is not a de Polignac number, because 11722609441 - 27 = 11722609313 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 11722609441.
It is not an unprimeable number, because it can be changed into a prime (11722609741) 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 2 ways as a sum of consecutive naturals, for example, 54136 + ... + 162406.
It is an arithmetic number, because the mean of its divisors is an integer number (3907572571).
Almost surely, 211722609441 is an apocalyptic number.
11722609441 is the 108271-st square number.
11722609441 is the 54136-th centered octagonal number.
It is an amenable number.
11722609441 is a deficient number, since it is larger than the sum of its proper divisors (108272).
11722609441 is an frugal number, since it uses more digits than its factorization.
11722609441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216542 (or 108271 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 37.
The spelling of 11722609441 in words is "eleven billion, seven hundred twenty-two million, six hundred nine thousand, four hundred forty-one".
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