Base | Representation |
---|---|
bin | 11111101011010000110110… |
… | …00011010010010110100001 |
3 | 100010122001220200012210100211 |
4 | 33311220123003102112201 |
5 | 33112221431230443321 |
6 | 404051344253214121 |
7 | 20446332254140021 |
oct | 1765503303222641 |
9 | 303561820183324 |
10 | 69656233452961 |
11 | 202160519392a1 |
12 | 798ba17791341 |
13 | 2cb37296a1cac |
14 | 132b545c11a81 |
15 | 80bdb9d410e1 |
hex | 3f5a1b0d25a1 |
69656233452961 has 15 divisors (see below), whose sum is σ = 74012258759061. Its totient is φ = 65556537835296.
The previous prime is 69656233452947. The next prime is 69656233452973. The reversal of 69656233452961 is 16925433265696.
The square root of 69656233452961 is 8346031.
It is a perfect power (a square), and thus also a powerful number.
69656233452961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 21618026931361 + 48038206521600 = 4649519^2 + 6930960^2 .
It is not a de Polignac number, because 69656233452961 - 25 = 69656233452929 is a prime.
It is a super-3 number, since 3×696562334529613 (a number of 43 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69656233452931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2411988520 + ... + 2412017398.
Almost surely, 269656233452961 is an apocalyptic number.
69656233452961 is the 8346031-st square number.
69656233452961 is the 4173016-th centered octagonal number.
It is an amenable number.
69656233452961 is a deficient number, since it is larger than the sum of its proper divisors (4356025306100).
69656233452961 is an frugal number, since it uses more digits than its factorization.
69656233452961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57826 (or 28896 counting only the distinct ones).
The product of its digits is 377913600, while the sum is 67.
The spelling of 69656233452961 in words is "sixty-nine trillion, six hundred fifty-six billion, two hundred thirty-three million, four hundred fifty-two thousand, nine hundred sixty-one".
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