Base | Representation |
---|---|
bin | 100000011001011… |
… | …0001011110010100 |
3 | 2210202110221112220 |
4 | 1000302301132110 |
5 | 4211241123133 |
6 | 255511142340 |
7 | 35636533563 |
oct | 10062613624 |
9 | 2722427486 |
10 | 1087051668 |
11 | 50868100a |
12 | 2640749b0 |
13 | 144299151 |
14 | a452bbda |
15 | 656795b3 |
hex | 40cb1794 |
1087051668 has 24 divisors (see below), whose sum is σ = 2646735168. Its totient is φ = 346596096.
The previous prime is 1087051657. The next prime is 1087051703. The reversal of 1087051668 is 8661507801.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969021 + ... + 1969572.
It is an arithmetic number, because the mean of its divisors is an integer number (110280632).
Almost surely, 21087051668 is an apocalyptic number.
It is an amenable number.
1087051668 is an abundant number, since it is smaller than the sum of its proper divisors (1559683500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1087051668 is a wasteful number, since it uses less digits than its factorization.
1087051668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3938623 (or 3938621 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 42.
The square root of 1087051668 is about 32970.4666027037. The cubic root of 1087051668 is about 1028.2137223632.
The spelling of 1087051668 in words is "one billion, eighty-seven million, fifty-one thousand, six hundred sixty-eight".
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