Base | Representation |
---|---|
bin | 11011010001010010… |
… | …100010101110010111 |
3 | 2210120122120010201210 |
4 | 123101102202232113 |
5 | 434431430241433 |
6 | 21241311352503 |
7 | 2054420160324 |
oct | 332122425627 |
9 | 83518503653 |
10 | 29281102743 |
11 | 11466467972 |
12 | 5812222733 |
13 | 29b846a4c9 |
14 | 15bab91b4b |
15 | b65972463 |
hex | 6d14a2b97 |
29281102743 has 16 divisors (see below), whose sum is σ = 39768744960. Its totient is φ = 19158190656.
The previous prime is 29281102693. The next prime is 29281102801. The reversal of 29281102743 is 34720118292.
It is not a de Polignac number, because 29281102743 - 26 = 29281102679 is a prime.
It is a super-2 number, since 2×292811027432 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29281102843) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28830 + ... + 243707.
It is an arithmetic number, because the mean of its divisors is an integer number (2485546560).
Almost surely, 229281102743 is an apocalyptic number.
29281102743 is a deficient number, since it is larger than the sum of its proper divisors (10487642217).
29281102743 is a wasteful number, since it uses less digits than its factorization.
29281102743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273206.
The product of its (nonzero) digits is 48384, while the sum is 39.
The spelling of 29281102743 in words is "twenty-nine billion, two hundred eighty-one million, one hundred two thousand, seven hundred forty-three".
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