Base | Representation |
---|---|
bin | 111101010110000… |
… | …011010011110110 |
3 | 2122201121022111120 |
4 | 331112003103312 |
5 | 4101433102102 |
6 | 250043044410 |
7 | 34334656365 |
oct | 7526032366 |
9 | 2581538446 |
10 | 1029190902 |
11 | 488a513a3 |
12 | 248810706 |
13 | 1352baacc |
14 | 9a9897dc |
15 | 6054a6bc |
hex | 3d5834f6 |
1029190902 has 32 divisors (see below), whose sum is σ = 2102198784. Its totient is φ = 335815200.
The previous prime is 1029190901. The next prime is 1029190919. The reversal of 1029190902 is 2090919201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1029190901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70563 + ... + 83889.
It is an arithmetic number, because the mean of its divisors is an integer number (65693712).
Almost surely, 21029190902 is an apocalyptic number.
1029190902 is an abundant number, since it is smaller than the sum of its proper divisors (1073007882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1029190902 is a wasteful number, since it uses less digits than its factorization.
1029190902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13604.
The product of its (nonzero) digits is 2916, while the sum is 33.
The square root of 1029190902 is about 32081.0053146718. The cubic root of 1029190902 is about 1009.6371280820.
The spelling of 1029190902 in words is "one billion, twenty-nine million, one hundred ninety thousand, nine hundred two".
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