Base | Representation |
---|---|
bin | 11111000001100110010100 |
3 | 120022012101200 |
4 | 133001212110 |
5 | 4040224022 |
6 | 450152500 |
7 | 126062256 |
oct | 37014624 |
9 | 16265350 |
10 | 8133012 |
11 | 46554a8 |
12 | 2882730 |
13 | 18b9b44 |
14 | 1119cd6 |
15 | aa9bac |
hex | 7c1994 |
8133012 has 36 divisors (see below), whose sum is σ = 20660640. Its totient is φ = 2697552.
The previous prime is 8132989. The next prime is 8133017. The reversal of 8133012 is 2103318.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×81330122 = 132291768384288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8133017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9039 + ... + 9897.
Almost surely, 28133012 is an apocalyptic number.
It is an amenable number.
8133012 is an abundant number, since it is smaller than the sum of its proper divisors (12527628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8133012 is a wasteful number, since it uses less digits than its factorization.
8133012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1132 (or 1127 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 8133012 is about 2851.8436142257. The cubic root of 8133012 is about 201.1023463333.
The spelling of 8133012 in words is "eight million, one hundred thirty-three thousand, twelve".
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