Base | Representation |
---|---|
bin | 100001000011001… |
… | …1011000100110011 |
3 | 2212021202000121001 |
4 | 1002012123010303 |
5 | 4232344330034 |
6 | 302013142431 |
7 | 36324113620 |
oct | 10206330463 |
9 | 2767660531 |
10 | 1108980019 |
11 | 519a99114 |
12 | 26b48aa17 |
13 | 1489a61c4 |
14 | a73d9347 |
15 | 6755ba14 |
hex | 4219b133 |
1108980019 has 32 divisors (see below), whose sum is σ = 1349021696. Its totient is φ = 891596160.
The previous prime is 1108980017. The next prime is 1108980113. The reversal of 1108980019 is 9100898011.
It is a happy number.
It is not a de Polignac number, because 1108980019 - 21 = 1108980017 is a prime.
It is a super-2 number, since 2×11089800192 = 2459673365082480722, which contains 22 as substring.
It is a Duffinian number.
It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 1108980019 = 643 + 10353 = 3073 + 10263.
It is a self number, because there is not a number n which added to its sum of digits gives 1108980019.
It is not an unprimeable number, because it can be changed into a prime (1108980017) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 1464589 + ... + 1465345.
It is an arithmetic number, because the mean of its divisors is an integer number (42156928).
Almost surely, 21108980019 is an apocalyptic number.
1108980019 is a deficient number, since it is larger than the sum of its proper divisors (240041677).
1108980019 is a wasteful number, since it uses less digits than its factorization.
1108980019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 995.
The product of its (nonzero) digits is 5184, while the sum is 37.
The square root of 1108980019 is about 33301.3516092065. The cubic root of 1108980019 is about 1035.0815649816.
The spelling of 1108980019 in words is "one billion, one hundred eight million, nine hundred eighty thousand, nineteen".
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