Base | Representation |
---|---|
bin | 111110000111000… |
… | …010001000100110 |
3 | 2200121202200000000 |
4 | 332013002020212 |
5 | 4113224444032 |
6 | 251222202130 |
7 | 34552055445 |
oct | 7607021046 |
9 | 2617680000 |
10 | 1042031142 |
11 | 495221469 |
12 | 250b83346 |
13 | 137b65399 |
14 | 9c56cd5c |
15 | 61734e7c |
hex | 3e1c2226 |
1042031142 has 36 divisors (see below), whose sum is σ = 2344480476. Its totient is φ = 347339340.
The previous prime is 1042031131. The next prime is 1042031173. The reversal of 1042031142 is 2411302401.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26584 + ... + 52827.
Almost surely, 21042031142 is an apocalyptic number.
1042031142 is an abundant number, since it is smaller than the sum of its proper divisors (1302449334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1042031142 is an frugal number, since it uses more digits than its factorization.
1042031142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79437 (or 79416 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1042031142 is about 32280.5071521499. The cubic root of 1042031142 is about 1013.8185488142.
Adding to 1042031142 its reverse (2411302401), we get a palindrome (3453333543).
The spelling of 1042031142 in words is "one billion, forty-two million, thirty-one thousand, one hundred forty-two".
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