Base | Representation |
---|---|
bin | 10000011101100010… |
… | …00111101010110001 |
3 | 211210220200021101221 |
4 | 20032301013222301 |
5 | 121044422121311 |
6 | 4020542225041 |
7 | 432002100061 |
oct | 101661075261 |
9 | 24726607357 |
10 | 8837692081 |
11 | 3825712959 |
12 | 1867885181 |
13 | aaac621ca |
14 | 5dba453a1 |
15 | 36ad1a671 |
hex | 20ec47ab1 |
8837692081 has 3 divisors (see below), whose sum is σ = 8837786091. Its totient is φ = 8837598072.
The previous prime is 8837692067. The next prime is 8837692093. The reversal of 8837692081 is 1802967388.
The square root of 8837692081 is 94009.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 99181681 + 8738510400 = 9959^2 + 93480^2 .
It is not a de Polignac number, because 8837692081 - 219 = 8837167793 is a prime.
It is a super-2 number, since 2×88376920812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8837692021) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 47005 + ... + 141013.
It is an arithmetic number, because the mean of its divisors is an integer number (2945928697).
Almost surely, 28837692081 is an apocalyptic number.
8837692081 is the 94009-th square number.
8837692081 is the 47005-th centered octagonal number.
It is an amenable number.
8837692081 is a deficient number, since it is larger than the sum of its proper divisors (94010).
8837692081 is an frugal number, since it uses more digits than its factorization.
8837692081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188018 (or 94009 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 52.
The cubic root of 8837692081 is about 2067.5036677524.
The spelling of 8837692081 in words is "eight billion, eight hundred thirty-seven million, six hundred ninety-two thousand, eighty-one".
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