Base | Representation |
---|---|
bin | 10011110010000011101001… |
… | …001101100000101110110001 |
3 | 102102001101100122101210000001 |
4 | 103302003221031200232301 |
5 | 42400423133131243131 |
6 | 505012304300430001 |
7 | 24216512515413241 |
oct | 2362035115405661 |
9 | 372041318353001 |
10 | 87002770181041 |
11 | 257a3738678500 |
12 | 9911877848301 |
13 | 3971431377310 |
14 | 176ad56a8bb21 |
15 | a0d21d432261 |
hex | 4f20e9360bb1 |
87002770181041 has 24 divisors (see below), whose sum is σ = 103076709321320. Its totient is φ = 72945994936320.
The previous prime is 87002770181029. The next prime is 87002770181069. The reversal of 87002770181041 is 14018107720078.
It can be written as a sum of positive squares in 4 ways, for example, as 6934795560000 + 80067974621041 = 2633400^2 + 8948071^2 .
It is not a de Polignac number, because 87002770181041 - 223 = 87002761792433 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 87002770180982 and 87002770181000.
It is not an unprimeable number, because it can be changed into a prime (87002770181071) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22171626 + ... + 25798963.
Almost surely, 287002770181041 is an apocalyptic number.
It is an amenable number.
87002770181041 is a deficient number, since it is larger than the sum of its proper divisors (16073939140279).
87002770181041 is a wasteful number, since it uses less digits than its factorization.
87002770181041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47971777 (or 47971766 counting only the distinct ones).
The product of its (nonzero) digits is 175616, while the sum is 46.
The spelling of 87002770181041 in words is "eighty-seven trillion, two billion, seven hundred seventy million, one hundred eighty-one thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •