Base | Representation |
---|---|
bin | 111101111111110… |
… | …100111010110001 |
3 | 2200111012200120211 |
4 | 331333310322301 |
5 | 4112234021001 |
6 | 251113504121 |
7 | 34530026653 |
oct | 7577647261 |
9 | 2614180524 |
10 | 1040142001 |
11 | 494151098 |
12 | 250412041 |
13 | 137653552 |
14 | 9c1da6d3 |
15 | 614b0351 |
hex | 3dff4eb1 |
1040142001 has 4 divisors (see below), whose sum is σ = 1042388992. Its totient is φ = 1037895012.
The previous prime is 1040141989. The next prime is 1040142053. The reversal of 1040142001 is 1002410401.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1002410401 = 37 ⋅27092173.
It is a cyclic number.
It is not a de Polignac number, because 1040142001 - 27 = 1040141873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1040142071) 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, 1122801 + ... + 1123726.
It is an arithmetic number, because the mean of its divisors is an integer number (260597248).
Almost surely, 21040142001 is an apocalyptic number.
It is an amenable number.
1040142001 is a deficient number, since it is larger than the sum of its proper divisors (2246991).
1040142001 is an equidigital number, since it uses as much as digits as its factorization.
1040142001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2246990.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 1040142001 is about 32251.2325500902. The cubic root of 1040142001 is about 1013.2055137885.
Adding to 1040142001 its reverse (1002410401), we get a palindrome (2042552402).
The spelling of 1040142001 in words is "one billion, forty million, one hundred forty-two thousand, one".
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