Base | Representation |
---|---|
bin | 100000001100000000… |
… | …0010110100010000001 |
3 | 20121102020122201010001 |
4 | 1000120000112202001 |
5 | 2113030242102314 |
6 | 51430533040001 |
7 | 4664625123505 |
oct | 1003000264201 |
9 | 217366581101 |
10 | 69122222209 |
11 | 27350768687 |
12 | 11490a86001 |
13 | 6697631a01 |
14 | 34ba202305 |
15 | 1be8523674 |
hex | 1018016881 |
69122222209 has 2 divisors, whose sum is σ = 69122222210. Its totient is φ = 69122222208.
The previous prime is 69122222189. The next prime is 69122222237. The reversal of 69122222209 is 90222222196.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 60001972209 + 9120250000 = 244953^2 + 95500^2 .
It is a cyclic number.
It is not a de Polignac number, because 69122222209 - 215 = 69122189441 is a prime.
It is a super-2 number, since 2×691222222092 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (69122222249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34561111104 + 34561111105.
It is an arithmetic number, because the mean of its divisors is an integer number (34561111105).
Almost surely, 269122222209 is an apocalyptic number.
It is an amenable number.
69122222209 is a deficient number, since it is larger than the sum of its proper divisors (1).
69122222209 is an equidigital number, since it uses as much as digits as its factorization.
69122222209 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 31104, while the sum is 37.
The spelling of 69122222209 in words is "sixty-nine billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred nine".
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