Base | Representation |
---|---|
bin | 111110011010011… |
… | …101000100101011 |
3 | 2200222100022122102 |
4 | 332122131010223 |
5 | 4121030402334 |
6 | 251523244015 |
7 | 34643251313 |
oct | 7632350453 |
9 | 2628308572 |
10 | 1047122219 |
11 | 498089470 |
12 | 25281960b |
13 | 138c28760 |
14 | 9d0d6443 |
15 | 61ddd67e |
hex | 3e69d12b |
1047122219 has 32 divisors (see below), whose sum is σ = 1308109824. Its totient is φ = 824503680.
The previous prime is 1047122207. The next prime is 1047122257. The reversal of 1047122219 is 9122217401.
It is not a de Polignac number, because 1047122219 - 24 = 1047122203 is a prime.
It is a super-2 number, since 2×10471222192 = 2192929883046967922, 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 = 1047122191 and 1047122200.
It is not an unprimeable number, because it can be changed into a prime (1047122119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171314 + ... + 177320.
It is an arithmetic number, because the mean of its divisors is an integer number (40878432).
Almost surely, 21047122219 is an apocalyptic number.
1047122219 is a deficient number, since it is larger than the sum of its proper divisors (260987605).
1047122219 is a wasteful number, since it uses less digits than its factorization.
1047122219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6107.
The product of its (nonzero) digits is 2016, while the sum is 29.
The square root of 1047122219 is about 32359.2678996296. The cubic root of 1047122219 is about 1015.4669465309.
The spelling of 1047122219 in words is "one billion, forty-seven million, one hundred twenty-two thousand, two hundred nineteen".
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