Base | Representation |
---|---|
bin | 10110100000111110… |
… | …01101011111100101 |
3 | 1011012102021201002211 |
4 | 23100133031133211 |
5 | 144223432333003 |
6 | 5315243003421 |
7 | 605355261046 |
oct | 132037153745 |
9 | 34172251084 |
10 | 12087777253 |
11 | 5143264a62 |
12 | 2414209571 |
13 | 11a83b8b26 |
14 | 82954a8cd |
15 | 4ab30d96d |
hex | 2d07cd7e5 |
12087777253 has 2 divisors, whose sum is σ = 12087777254. Its totient is φ = 12087777252.
The previous prime is 12087777241. The next prime is 12087777311. The reversal of 12087777253 is 35277778021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12086143969 + 1633284 = 109937^2 + 1278^2 .
It is a cyclic number.
It is not a de Polignac number, because 12087777253 - 213 = 12087769061 is a prime.
It is a super-2 number, since 2×120877772532 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12087777197 and 12087777206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12087777553) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6043888626 + 6043888627.
It is an arithmetic number, because the mean of its divisors is an integer number (6043888627).
Almost surely, 212087777253 is an apocalyptic number.
It is an amenable number.
12087777253 is a deficient number, since it is larger than the sum of its proper divisors (1).
12087777253 is an equidigital number, since it uses as much as digits as its factorization.
12087777253 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152480, while the sum is 49.
The spelling of 12087777253 in words is "twelve billion, eighty-seven million, seven hundred seventy-seven thousand, two hundred fifty-three".
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