Base | Representation |
---|---|
bin | 11011010100010001… |
… | …111010010100011101 |
3 | 2210201010221211202100 |
4 | 123110101322110131 |
5 | 440032301101033 |
6 | 21250302515313 |
7 | 2055566446323 |
oct | 332421722435 |
9 | 83633854670 |
10 | 29331268893 |
11 | 114918114a3 |
12 | 5826b95b39 |
13 | 29c5983414 |
14 | 15c36cdd13 |
15 | b6a081513 |
hex | 6d447a51d |
29331268893 has 6 divisors (see below), whose sum is σ = 42367388414. Its totient is φ = 19554179256.
The previous prime is 29331268877. The next prime is 29331268931. The reversal of 29331268893 is 39886213392.
It is a happy number.
29331268893 is a `hidden beast` number, since 293 + 3 + 1 + 268 + 8 + 93 = 666.
It can be written as a sum of positive squares in only one way, i.e., 23527571769 + 5803697124 = 153387^2 + 76182^2 .
It is not a de Polignac number, because 29331268893 - 24 = 29331268877 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 (29331268843) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1629514930 + ... + 1629514947.
Almost surely, 229331268893 is an apocalyptic number.
It is an amenable number.
29331268893 is a deficient number, since it is larger than the sum of its proper divisors (13036119521).
29331268893 is a wasteful number, since it uses less digits than its factorization.
29331268893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3259029883 (or 3259029880 counting only the distinct ones).
The product of its digits is 3359232, while the sum is 54.
The spelling of 29331268893 in words is "twenty-nine billion, three hundred thirty-one million, two hundred sixty-eight thousand, eight hundred ninety-three".
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