Base | Representation |
---|---|
bin | 10000111011011111… |
… | …11101001111000010 |
3 | 212110102122100101200 |
4 | 20131233331033002 |
5 | 122103243423232 |
6 | 4101521442030 |
7 | 441143416521 |
oct | 103557751702 |
9 | 25412570350 |
10 | 9089045442 |
11 | 3944590404 |
12 | 1917aa0316 |
13 | b1b0598c9 |
14 | 6231944b8 |
15 | 382e1a77c |
hex | 21dbfd3c2 |
9089045442 has 48 divisors (see below), whose sum is σ = 19894875000. Its totient is φ = 2998674432.
The previous prime is 9089045429. The next prime is 9089045473. The reversal of 9089045442 is 2445409809.
9089045442 is a `hidden beast` number, since 90 + 89 + 0 + 45 + 442 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 7301531601 + 1787513841 = 85449^2 + 42279^2 .
It is a super-2 number, since 2×90890454422 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2448684 + ... + 2452392.
Almost surely, 29089045442 is an apocalyptic number.
9089045442 is an abundant number, since it is smaller than the sum of its proper divisors (10805829558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9089045442 is a wasteful number, since it uses less digits than its factorization.
9089045442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5075 (or 5072 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The square root of 9089045442 is about 95336.4853663066. The cubic root of 9089045442 is about 2086.9213956750.
The spelling of 9089045442 in words is "nine billion, eighty-nine million, forty-five thousand, four hundred forty-two".
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