Base | Representation |
---|---|
bin | 1011101100010000111… |
… | …1001000111011011001 |
3 | 201012110100000210022001 |
4 | 2323010033020323121 |
5 | 11242330331024211 |
6 | 232135120001001 |
7 | 20340342422104 |
oct | 2730417107331 |
9 | 635410023261 |
10 | 200860798681 |
11 | 78203758a74 |
12 | 32b17a60161 |
13 | 15c3076b6ca |
14 | 9a1655573b |
15 | 5358d0aac1 |
hex | 2ec43c8ed9 |
200860798681 has 2 divisors, whose sum is σ = 200860798682. Its totient is φ = 200860798680.
The previous prime is 200860798657. The next prime is 200860798727. The reversal of 200860798681 is 186897068002.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 112482427456 + 88378371225 = 335384^2 + 297285^2 .
It is a cyclic number.
It is not a de Polignac number, because 200860798681 - 29 = 200860798169 is a prime.
It is a super-2 number, since 2×2008607986812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (200860796681) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100430399340 + 100430399341.
It is an arithmetic number, because the mean of its divisors is an integer number (100430399341).
Almost surely, 2200860798681 is an apocalyptic number.
It is an amenable number.
200860798681 is a deficient number, since it is larger than the sum of its proper divisors (1).
200860798681 is an equidigital number, since it uses as much as digits as its factorization.
200860798681 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2322432, while the sum is 55.
The spelling of 200860798681 in words is "two hundred billion, eight hundred sixty million, seven hundred ninety-eight thousand, six hundred eighty-one".
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