Base | Representation |
---|---|
bin | 111100000110001… |
… | …001000110001001 |
3 | 2121021012001111100 |
4 | 330012021012021 |
5 | 4031102234311 |
6 | 244014052013 |
7 | 33661632126 |
oct | 7406110611 |
9 | 2537161440 |
10 | 1008243081 |
11 | 478143a4a |
12 | 2417aa009 |
13 | 130b65151 |
14 | 97c9574d |
15 | 5d7ada56 |
hex | 3c189189 |
1008243081 has 24 divisors (see below), whose sum is σ = 1513774080. Its totient is φ = 646098336.
The previous prime is 1008243073. The next prime is 1008243083. The reversal of 1008243081 is 1803428001.
It is not a de Polignac number, because 1008243081 - 23 = 1008243073 is a prime.
It is a super-2 number, since 2×10082430812 = 2033108220768745122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1008243083) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9400 + ... + 45878.
It is an arithmetic number, because the mean of its divisors is an integer number (63073920).
Almost surely, 21008243081 is an apocalyptic number.
It is an amenable number.
1008243081 is a deficient number, since it is larger than the sum of its proper divisors (505530999).
1008243081 is a wasteful number, since it uses less digits than its factorization.
1008243081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36605 (or 36602 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 1008243081 is about 31752.8436679300. The cubic root of 1008243081 is about 1002.7401782316.
The spelling of 1008243081 in words is "one billion, eight million, two hundred forty-three thousand, eighty-one".
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