Base | Representation |
---|---|
bin | 110110110010000… |
… | …101101010100110 |
3 | 2101001110010021100 |
4 | 312302011222212 |
5 | 3340242200240 |
6 | 231111300530 |
7 | 31530136020 |
oct | 6662055246 |
9 | 2331403240 |
10 | 919100070 |
11 | 431898539 |
12 | 21797a746 |
13 | 1185532c5 |
14 | 8a0cd010 |
15 | 55a50e30 |
hex | 36c85aa6 |
919100070 has 96 divisors (see below), whose sum is σ = 2891723328. Its totient is φ = 197720064.
The previous prime is 919100029. The next prime is 919100071. The reversal of 919100070 is 70001919.
919100070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (919100071) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32199 + ... + 53618.
It is an arithmetic number, because the mean of its divisors is an integer number (30122118).
Almost surely, 2919100070 is an apocalyptic number.
919100070 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
919100070 is an abundant number, since it is smaller than the sum of its proper divisors (1972623258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
919100070 is a wasteful number, since it uses less digits than its factorization.
919100070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85854 (or 85851 counting only the distinct ones).
The product of its (nonzero) digits is 567, while the sum is 27.
The square root of 919100070 is about 30316.6632398752. The cubic root of 919100070 is about 972.2715988975.
Adding to 919100070 its reverse (70001919), we get a palindrome (989101989).
The spelling of 919100070 in words is "nine hundred nineteen million, one hundred thousand, seventy".
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