Base | Representation |
---|---|
bin | 10000111111001… |
… | …10010010110011 |
3 | 100221010210200102 |
4 | 20133212102303 |
5 | 242440013133 |
6 | 22050143015 |
7 | 3350144636 |
oct | 1037462263 |
9 | 327123612 |
10 | 142501043 |
11 | 73490163 |
12 | 3b881a6b |
13 | 236a4859 |
14 | 14cd5c1d |
15 | c79c7e8 |
hex | 87e64b3 |
142501043 has 4 divisors (see below), whose sum is σ = 142584360. Its totient is φ = 142417728.
The previous prime is 142501033. The next prime is 142501049. The reversal of 142501043 is 340105241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340105241 = 7 ⋅48586463.
It is a cyclic number.
It is not a de Polignac number, because 142501043 - 26 = 142500979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142501049) 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, 39038 + ... + 42531.
It is an arithmetic number, because the mean of its divisors is an integer number (35646090).
Almost surely, 2142501043 is an apocalyptic number.
142501043 is a deficient number, since it is larger than the sum of its proper divisors (83317).
142501043 is an equidigital number, since it uses as much as digits as its factorization.
142501043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83316.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 142501043 is about 11937.3800726960. The cubic root of 142501043 is about 522.3232377515.
Adding to 142501043 its reverse (340105241), we get a palindrome (482606284).
The spelling of 142501043 in words is "one hundred forty-two million, five hundred one thousand, forty-three".
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