Base | Representation |
---|---|
bin | 11011101101111011… |
… | …111011101011000001 |
3 | 2211211010220202122100 |
4 | 123231323323223001 |
5 | 441422444334011 |
6 | 21401120501013 |
7 | 2102344255023 |
oct | 335573735301 |
9 | 84733822570 |
10 | 29761714881 |
11 | 11692791988 |
12 | 592717a769 |
13 | 2a63bc49a2 |
14 | 162493c013 |
15 | b92c5ad56 |
hex | 6edefbac1 |
29761714881 has 6 divisors (see below), whose sum is σ = 42989143730. Its totient is φ = 19841143248.
The previous prime is 29761714849. The next prime is 29761714883. The reversal of 29761714881 is 18841716792.
29761714881 is a `hidden beast` number, since 2 + 9 + 7 + 617 + 14 + 8 + 8 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 15075910656 + 14685804225 = 122784^2 + 121185^2 .
It is not a de Polignac number, because 29761714881 - 25 = 29761714849 is a prime.
It is a super-2 number, since 2×297617148812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29761714883) 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 5 ways as a sum of consecutive naturals, for example, 1653428596 + ... + 1653428613.
Almost surely, 229761714881 is an apocalyptic number.
It is an amenable number.
29761714881 is a deficient number, since it is larger than the sum of its proper divisors (13227428849).
29761714881 is a wasteful number, since it uses less digits than its factorization.
29761714881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3306857215 (or 3306857212 counting only the distinct ones).
The product of its digits is 1354752, while the sum is 54.
The spelling of 29761714881 in words is "twenty-nine billion, seven hundred sixty-one million, seven hundred fourteen thousand, eight hundred eighty-one".
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