Base | Representation |
---|---|
bin | 111110000111110… |
… | …001000000100111 |
3 | 2200122010102101011 |
4 | 332013301000213 |
5 | 4113302120033 |
6 | 251230243051 |
7 | 34553515303 |
oct | 7607610047 |
9 | 2618112334 |
10 | 1042223143 |
11 | 495342745 |
12 | 251056487 |
13 | 137c018b0 |
14 | 9c5bcd03 |
15 | 61771ccd |
hex | 3e1f1027 |
1042223143 has 4 divisors (see below), whose sum is σ = 1122394168. Its totient is φ = 962052120.
The previous prime is 1042223107. The next prime is 1042223177. The reversal of 1042223143 is 3413222401.
1042223143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1042223143 - 29 = 1042222631 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042223183) 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, 40085493 + ... + 40085518.
It is an arithmetic number, because the mean of its divisors is an integer number (280598542).
Almost surely, 21042223143 is an apocalyptic number.
1042223143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1042223143 is a deficient number, since it is larger than the sum of its proper divisors (80171025).
1042223143 is an equidigital number, since it uses as much as digits as its factorization.
1042223143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80171024.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 1042223143 is about 32283.4809616311. The cubic root of 1042223143 is about 1013.8808125390.
Adding to 1042223143 its reverse (3413222401), we get a palindrome (4455445544).
The spelling of 1042223143 in words is "one billion, forty-two million, two hundred twenty-three thousand, one hundred forty-three".
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