Base | Representation |
---|---|
bin | 100000001000111111… |
… | …1000110010101001101 |
3 | 20121011012121210102011 |
4 | 1000101333012111031 |
5 | 2112323413333123 |
6 | 51412524301221 |
7 | 4662260531002 |
oct | 1002177062515 |
9 | 217135553364 |
10 | 69021230413 |
11 | 272a9759a93 |
12 | 114630a1811 |
13 | 667c731955 |
14 | 34aaa338a9 |
15 | 1bde724e0d |
hex | 1011fc654d |
69021230413 has 2 divisors, whose sum is σ = 69021230414. Its totient is φ = 69021230412.
The previous prime is 69021230371. The next prime is 69021230423. The reversal of 69021230413 is 31403212096.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 63914412969 + 5106817444 = 252813^2 + 71462^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69021230413 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (69021230423) 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 as a sum of consecutive naturals, namely, 34510615206 + 34510615207.
It is an arithmetic number, because the mean of its divisors is an integer number (34510615207).
Almost surely, 269021230413 is an apocalyptic number.
It is an amenable number.
69021230413 is a deficient number, since it is larger than the sum of its proper divisors (1).
69021230413 is an equidigital number, since it uses as much as digits as its factorization.
69021230413 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7776, while the sum is 31.
The spelling of 69021230413 in words is "sixty-nine billion, twenty-one million, two hundred thirty thousand, four hundred thirteen".
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