Base | Representation |
---|---|
bin | 1001010001011100… |
… | …1111010010010010 |
3 | 20102110201101120120 |
4 | 2110113033102102 |
5 | 20044203314030 |
6 | 1050554251110 |
7 | 115453112205 |
oct | 22427172222 |
9 | 6373641516 |
10 | 2489119890 |
11 | 1068052684 |
12 | 595726a96 |
13 | 3088c010a |
14 | 19881b93c |
15 | e87cc010 |
hex | 945cf492 |
2489119890 has 64 divisors (see below), whose sum is σ = 6491197440. Its totient is φ = 608541120.
The previous prime is 2489119883. The next prime is 2489119891. The reversal of 2489119890 is 989119842.
It is a super-2 number, since 2×24891198902 = 12391435653587224200, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2489119891) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52764 + ... + 88103.
It is an arithmetic number, because the mean of its divisors is an integer number (101424960).
Almost surely, 22489119890 is an apocalyptic number.
2489119890 is an abundant number, since it is smaller than the sum of its proper divisors (4002077550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2489119890 is a wasteful number, since it uses less digits than its factorization.
2489119890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140927.
The product of its (nonzero) digits is 373248, while the sum is 51.
The square root of 2489119890 is about 49891.0802649131. The cubic root of 2489119890 is about 1355.2370676741.
The spelling of 2489119890 in words is "two billion, four hundred eighty-nine million, one hundred nineteen thousand, eight hundred ninety".
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