Base | Representation |
---|---|
bin | 111110001110101… |
… | …010011000100101 |
3 | 2200202112021022022 |
4 | 332032222120211 |
5 | 4114232443023 |
6 | 251333112525 |
7 | 34605055124 |
oct | 7616523045 |
9 | 2622467268 |
10 | 1044031013 |
11 | 496367a53 |
12 | 251788745 |
13 | 1383b573c |
14 | 9c92dabb |
15 | 619cc7c8 |
hex | 3e3aa625 |
1044031013 has 16 divisors (see below), whose sum is σ = 1136995200. Its totient is φ = 954809856.
The previous prime is 1044030983. The next prime is 1044031033. The reversal of 1044031013 is 3101304401.
It is a cyclic number.
It is not a de Polignac number, because 1044031013 - 210 = 1044029989 is a prime.
It is a super-2 number, since 2×10440310132 = 2180001512211612338, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1044030982 and 1044031000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1044031033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141881 + ... + 149057.
It is an arithmetic number, because the mean of its divisors is an integer number (71062200).
Almost surely, 21044031013 is an apocalyptic number.
It is an amenable number.
1044031013 is a deficient number, since it is larger than the sum of its proper divisors (92964187).
1044031013 is a wasteful number, since it uses less digits than its factorization.
1044031013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7436.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1044031013 is about 32311.4687533699. The cubic root of 1044031013 is about 1014.4667094267.
Adding to 1044031013 its reverse (3101304401), we get a palindrome (4145335414).
The spelling of 1044031013 in words is "one billion, forty-four million, thirty-one thousand, thirteen".
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