Base | Representation |
---|---|
bin | 10101101000000101… |
… | …111000111001000001 |
3 | 2012221022210201121100 |
4 | 111220011320321001 |
5 | 340024112220224 |
6 | 14400115045013 |
7 | 1451305014465 |
oct | 255005707101 |
9 | 65838721540 |
10 | 23221210689 |
11 | 993684a316 |
12 | 46008a0769 |
13 | 2260b61971 |
14 | 11a40324a5 |
15 | 90d958ac9 |
hex | 568178e41 |
23221210689 has 12 divisors (see below), whose sum is σ = 33619577472. Its totient is φ = 15444886200.
The previous prime is 23221210679. The next prime is 23221210723. The reversal of 23221210689 is 98601212232.
It is a happy number.
It is not a de Polignac number, because 23221210689 - 227 = 23086992961 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23221210669) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2989317 + ... + 2997074.
It is an arithmetic number, because the mean of its divisors is an integer number (2801631456).
Almost surely, 223221210689 is an apocalyptic number.
It is an amenable number.
23221210689 is a deficient number, since it is larger than the sum of its proper divisors (10398366783).
23221210689 is a wasteful number, since it uses less digits than its factorization.
23221210689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5986828 (or 5986825 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The spelling of 23221210689 in words is "twenty-three billion, two hundred twenty-one million, two hundred ten thousand, six hundred eighty-nine".
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