Base | Representation |
---|---|
bin | 100000010100100010… |
… | …0001001000001111001 |
3 | 20122011012012110212012 |
4 | 1000221010021001321 |
5 | 2114122024200103 |
6 | 51515155255305 |
7 | 5005001622251 |
oct | 1005104110171 |
9 | 218135173765 |
10 | 69408428153 |
11 | 27488280419 |
12 | 115508aa535 |
13 | 6711a1003c |
14 | 3506224961 |
15 | 1c1370a2d8 |
hex | 1029109079 |
69408428153 has 2 divisors, whose sum is σ = 69408428154. Its totient is φ = 69408428152.
The previous prime is 69408428009. The next prime is 69408428161. The reversal of 69408428153 is 35182480496.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 56947617769 + 12460810384 = 238637^2 + 111628^2 .
It is a cyclic number.
It is not a de Polignac number, because 69408428153 - 28 = 69408427897 is a prime.
It is a super-3 number, since 3×694084281533 (a number of 34 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (69408428753) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34704214076 + 34704214077.
It is an arithmetic number, because the mean of its divisors is an integer number (34704214077).
Almost surely, 269408428153 is an apocalyptic number.
It is an amenable number.
69408428153 is a deficient number, since it is larger than the sum of its proper divisors (1).
69408428153 is an equidigital number, since it uses as much as digits as its factorization.
69408428153 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1658880, while the sum is 50.
The spelling of 69408428153 in words is "sixty-nine billion, four hundred eight million, four hundred twenty-eight thousand, one hundred fifty-three".
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