Base | Representation |
---|---|
bin | 11011001001000100… |
… | …011011111011000111 |
3 | 2210020001001022002121 |
4 | 123021010123323013 |
5 | 434141123442033 |
6 | 21215503350411 |
7 | 2051124001120 |
oct | 331104337307 |
9 | 83201038077 |
10 | 29143187143 |
11 | 113a5629934 |
12 | 5793bb2407 |
13 | 2995a0cb45 |
14 | 15a6731047 |
15 | b587cd62d |
hex | 6c911bec7 |
29143187143 has 16 divisors (see below), whose sum is σ = 33615634176. Its totient is φ = 24748214400.
The previous prime is 29143187131. The next prime is 29143187173. The reversal of 29143187143 is 34178134192.
It is not a de Polignac number, because 29143187143 - 217 = 29143056071 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 29143187143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29143187173) 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 15 ways as a sum of consecutive naturals, for example, 2248680 + ... + 2261602.
It is an arithmetic number, because the mean of its divisors is an integer number (2100977136).
Almost surely, 229143187143 is an apocalyptic number.
29143187143 is a deficient number, since it is larger than the sum of its proper divisors (4472447033).
29143187143 is a wasteful number, since it uses less digits than its factorization.
29143187143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15894.
The product of its digits is 145152, while the sum is 43.
The spelling of 29143187143 in words is "twenty-nine billion, one hundred forty-three million, one hundred eighty-seven thousand, one hundred forty-three".
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