Base | Representation |
---|---|
bin | 111100100011000… |
… | …0101101000110001 |
3 | 12020120212221220012 |
4 | 1321012011220301 |
5 | 13130044422324 |
6 | 533333024305 |
7 | 101226435014 |
oct | 17106055061 |
9 | 5216787805 |
10 | 2031639089 |
11 | 952897577 |
12 | 488485095 |
13 | 264ba440c |
14 | 153b7337b |
15 | bd56220e |
hex | 79185a31 |
2031639089 has 8 divisors (see below), whose sum is σ = 2073349440. Its totient is φ = 1990053936.
The previous prime is 2031639037. The next prime is 2031639097. The reversal of 2031639089 is 9809361302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2031639089 - 216 = 2031573553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2031639019) 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, 1844 + ... + 63770.
It is an arithmetic number, because the mean of its divisors is an integer number (259168680).
Almost surely, 22031639089 is an apocalyptic number.
It is an amenable number.
2031639089 is a deficient number, since it is larger than the sum of its proper divisors (41710351).
2031639089 is an equidigital number, since it uses as much as digits as its factorization.
2031639089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62599.
The product of its (nonzero) digits is 69984, while the sum is 41.
The square root of 2031639089 is about 45073.7072915020. The cubic root of 2031639089 is about 1266.5301130340.
The spelling of 2031639089 in words is "two billion, thirty-one million, six hundred thirty-nine thousand, eighty-nine".
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