Base | Representation |
---|---|
bin | 101010011100101… |
… | …011100010111101 |
3 | 1211122001112212201 |
4 | 222130223202331 |
5 | 2424303131334 |
6 | 154400031501 |
7 | 23435162335 |
oct | 5234534275 |
9 | 1748045781 |
10 | 712161469 |
11 | 335aa64a8 |
12 | 17a602591 |
13 | b4709a26 |
14 | 6a8220c5 |
15 | 427c5c14 |
hex | 2a72b8bd |
712161469 has 2 divisors, whose sum is σ = 712161470. Its totient is φ = 712161468.
The previous prime is 712161449. The next prime is 712161473. The reversal of 712161469 is 964161217.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 493417369 + 218744100 = 22213^2 + 14790^2 .
It is a cyclic number.
It is not a de Polignac number, because 712161469 - 27 = 712161341 is a prime.
It is a super-2 number, since 2×7121614692 = 1014347915856475922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (712161449) 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, 356080734 + 356080735.
It is an arithmetic number, because the mean of its divisors is an integer number (356080735).
Almost surely, 2712161469 is an apocalyptic number.
It is an amenable number.
712161469 is a deficient number, since it is larger than the sum of its proper divisors (1).
712161469 is an equidigital number, since it uses as much as digits as its factorization.
712161469 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 18144, while the sum is 37.
The square root of 712161469 is about 26686.3536100382. The cubic root of 712161469 is about 893.0165156933.
The spelling of 712161469 in words is "seven hundred twelve million, one hundred sixty-one thousand, four hundred sixty-nine".
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