Base | Representation |
---|---|
bin | 11001010001101… |
… | …01101010001111 |
3 | 112202222100102100 |
4 | 30220311222033 |
5 | 413240012033 |
6 | 33012330143 |
7 | 5153146341 |
oct | 1450655217 |
9 | 482870370 |
10 | 212032143 |
11 | a9760984 |
12 | 5b013953 |
13 | 34c0ab0b |
14 | 20235291 |
15 | 13934513 |
hex | ca35a8f |
212032143 has 24 divisors (see below), whose sum is σ = 325520208. Its totient is φ = 132532992.
The previous prime is 212032133. The next prime is 212032151. The reversal of 212032143 is 341230212.
It is not a de Polignac number, because 212032143 - 24 = 212032127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212032133) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39880 + ... + 44882.
It is an arithmetic number, because the mean of its divisors is an integer number (13563342).
Almost surely, 2212032143 is an apocalyptic number.
212032143 is a deficient number, since it is larger than the sum of its proper divisors (113488065).
212032143 is a wasteful number, since it uses less digits than its factorization.
212032143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5303 (or 5300 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 212032143 is about 14561.3235318772. The cubic root of 212032143 is about 596.3033294863.
Adding to 212032143 its reverse (341230212), we get a palindrome (553262355).
The spelling of 212032143 in words is "two hundred twelve million, thirty-two thousand, one hundred forty-three".
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