Base | Representation |
---|---|
bin | 11011010001010010… |
… | …011100011011101101 |
3 | 2210120122111211101100 |
4 | 123101102130123231 |
5 | 434431423430343 |
6 | 21241311033313 |
7 | 2054420022231 |
oct | 332122343355 |
9 | 83518454340 |
10 | 29281076973 |
11 | 1146644a575 |
12 | 581220b839 |
13 | 29b845b865 |
14 | 15bab865c1 |
15 | b659699d3 |
hex | 6d149c6ed |
29281076973 has 6 divisors (see below), whose sum is σ = 42294888974. Its totient is φ = 19520717976.
The previous prime is 29281076971. The next prime is 29281076977. The reversal of 29281076973 is 37967018292.
It can be written as a sum of positive squares in only one way, i.e., 29281027689 + 49284 = 171117^2 + 222^2 .
It is not a de Polignac number, because 29281076973 - 21 = 29281076971 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29281076971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1626726490 + ... + 1626726507.
Almost surely, 229281076973 is an apocalyptic number.
It is an amenable number.
29281076973 is a deficient number, since it is larger than the sum of its proper divisors (13013812001).
29281076973 is a wasteful number, since it uses less digits than its factorization.
29281076973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3253453003 (or 3253453000 counting only the distinct ones).
The product of its (nonzero) digits is 2286144, while the sum is 54.
The spelling of 29281076973 in words is "twenty-nine billion, two hundred eighty-one million, seventy-six thousand, nine hundred seventy-three".
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