Base | Representation |
---|---|
bin | 10000101111110010… |
… | …11101010110101101 |
3 | 212012120220200010111 |
4 | 20113321131112231 |
5 | 121403130414010 |
6 | 4044053340021 |
7 | 435542105512 |
oct | 102771352655 |
9 | 25176820114 |
10 | 8990873005 |
11 | 38a4127a64 |
12 | 18ab037611 |
13 | b03905bca |
14 | 61411b309 |
15 | 3794c758a |
hex | 217e5d5ad |
8990873005 has 8 divisors (see below), whose sum is σ = 10910273400. Its totient is φ = 7111881216.
The previous prime is 8990872949. The next prime is 8990873009. The reversal of 8990873005 is 5003780998.
8990873005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 6487209 + 8984385796 = 2547^2 + 94786^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8990873005 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 8990873005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8990873009) 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, 10101660 + ... + 10102549.
It is an arithmetic number, because the mean of its divisors is an integer number (1363784175).
Almost surely, 28990873005 is an apocalyptic number.
It is an amenable number.
8990873005 is a deficient number, since it is larger than the sum of its proper divisors (1919400395).
8990873005 is a wasteful number, since it uses less digits than its factorization.
8990873005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20204303.
The product of its (nonzero) digits is 544320, while the sum is 49.
The square root of 8990873005 is about 94820.2141159785. The cubic root of 8990873005 is about 2079.3804402419.
The spelling of 8990873005 in words is "eight billion, nine hundred ninety million, eight hundred seventy-three thousand, five".
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