Base | Representation |
---|---|
bin | 10001001001101… |
… | …00010010110011 |
3 | 101000201022022110 |
4 | 20210310102303 |
5 | 243312302412 |
6 | 22135340403 |
7 | 3364603314 |
oct | 1044642263 |
9 | 330638273 |
10 | 143869107 |
11 | 74234a98 |
12 | 40221703 |
13 | 23a63465 |
14 | 1517060b |
15 | c96cd3c |
hex | 89344b3 |
143869107 has 4 divisors (see below), whose sum is σ = 191825480. Its totient is φ = 95912736.
The previous prime is 143869073. The next prime is 143869127. The reversal of 143869107 is 701968341.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 143869107 - 212 = 143865011 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (143869127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23978182 + ... + 23978187.
It is an arithmetic number, because the mean of its divisors is an integer number (47956370).
Almost surely, 2143869107 is an apocalyptic number.
143869107 is a deficient number, since it is larger than the sum of its proper divisors (47956373).
143869107 is an equidigital number, since it uses as much as digits as its factorization.
143869107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47956372.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 143869107 is about 11994.5448850717. The cubic root of 143869107 is about 523.9894174096.
The spelling of 143869107 in words is "one hundred forty-three million, eight hundred sixty-nine thousand, one hundred seven".
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