| Base | Representation |
|---|---|
| bin | 111100010001100… |
| … | …010111001000001 |
| 3 | 2121110210220221221 |
| 4 | 330101202321001 |
| 5 | 4032333413241 |
| 6 | 244202115041 |
| 7 | 34026222121 |
| oct | 7421427101 |
| 9 | 2543726857 |
| 10 | 1011232321 |
| 11 | 4798a58a0 |
| 12 | 2427aba81 |
| 13 | 131670928 |
| 14 | 98432c81 |
| 15 | 5db9e5d1 |
| hex | 3c462e41 |
1011232321 has 4 divisors (see below), whose sum is σ = 1103162544. Its totient is φ = 919302100.
The previous prime is 1011232289. The next prime is 1011232337. The reversal of 1011232321 is 1232321101.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1232321101 = 11 ⋅112029191.
It is a cyclic number.
It is not a de Polignac number, because 1011232321 - 25 = 1011232289 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1011232295 and 1011232304.
It is not an unprimeable number, because it can be changed into a prime (1011232351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45965095 + ... + 45965116.
It is an arithmetic number, because the mean of its divisors is an integer number (275790636).
Almost surely, 21011232321 is an apocalyptic number.
1011232321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1011232321 is a deficient number, since it is larger than the sum of its proper divisors (91930223).
1011232321 is an equidigital number, since it uses as much as digits as its factorization.
1011232321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91930222.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1011232321 is about 31799.8792607771. The cubic root of 1011232321 is about 1003.7301754900.
Adding to 1011232321 its reverse (1232321101), we get a palindrome (2243553422).
It can be divided in two parts, 1011 and 232321, that added together give a palindrome (233332).
The spelling of 1011232321 in words is "one billion, eleven million, two hundred thirty-two thousand, three hundred twenty-one".
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