Base | Representation |
---|---|
bin | 111010010001111111111… |
… | …1000110010110100000101 |
3 | 1001100202111111010012222222 |
4 | 1310203333320302310011 |
5 | 2022214202200234041 |
6 | 25011443353502125 |
7 | 1454466021413666 |
oct | 164437770626405 |
9 | 31322444105888 |
10 | 8010112118021 |
11 | 2609084516172 |
12 | a944b6411945 |
13 | 4614728a8a50 |
14 | 1d999766936d |
15 | dd564abd74b |
hex | 748ffe32d05 |
8010112118021 has 8 divisors (see below), whose sum is σ = 8626444746360. Its totient is φ = 7393803797952.
The previous prime is 8010112117993. The next prime is 8010112118051. The reversal of 8010112118021 is 1208112110108.
It can be written as a sum of positive squares in 4 ways, for example, as 665226196996 + 7344885921025 = 815614^2 + 2710145^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8010112118021 - 230 = 8009038376197 is a prime.
It is a super-2 number, since 2×80101121180212 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8010112118051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5389790 + ... + 6713423.
It is an arithmetic number, because the mean of its divisors is an integer number (1078305593295).
Almost surely, 28010112118021 is an apocalyptic number.
It is an amenable number.
8010112118021 is a deficient number, since it is larger than the sum of its proper divisors (616332628339).
8010112118021 is a wasteful number, since it uses less digits than its factorization.
8010112118021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12154135.
The product of its (nonzero) digits is 256, while the sum is 26.
Adding to 8010112118021 its reverse (1208112110108), we get a palindrome (9218224228129).
The spelling of 8010112118021 in words is "eight trillion, ten billion, one hundred twelve million, one hundred eighteen thousand, twenty-one".
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