Base | Representation |
---|---|
bin | 111110001111000… |
… | …101011111001111 |
3 | 2200202201220121002 |
4 | 332033011133033 |
5 | 4114300021111 |
6 | 251335330515 |
7 | 34606026602 |
oct | 7617053717 |
9 | 2622656532 |
10 | 1044142031 |
11 | 4964333a9 |
12 | 251820a3b |
13 | 13842412a |
14 | 9c95c339 |
15 | 61a0063b |
hex | 3e3c57cf |
1044142031 has 8 divisors (see below), whose sum is σ = 1080000000. Its totient is φ = 1008420120.
The previous prime is 1044142027. The next prime is 1044142049. The reversal of 1044142031 is 1302414401.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1044142031 - 22 = 1044142027 is a prime.
It is a super-2 number, since 2×10441420312 = 2180465161801609922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1044141994 and 1044142012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1044145031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18281 + ... + 49218.
It is an arithmetic number, because the mean of its divisors is an integer number (135000000).
Almost surely, 21044142031 is an apocalyptic number.
1044142031 is a deficient number, since it is larger than the sum of its proper divisors (35857969).
1044142031 is an equidigital number, since it uses as much as digits as its factorization.
1044142031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68029.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 1044142031 is about 32313.1866426077. The cubic root of 1044142031 is about 1014.5026662364.
Adding to 1044142031 its reverse (1302414401), we get a palindrome (2346556432).
The spelling of 1044142031 in words is "one billion, forty-four million, one hundred forty-two thousand, thirty-one".
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