Base | Representation |
---|---|
bin | 111100100100100… |
… | …100100101111110 |
3 | 2121211012022210220 |
4 | 330210210211332 |
5 | 4040123020110 |
6 | 244501042210 |
7 | 34116504420 |
oct | 7444444576 |
9 | 2554168726 |
10 | 1016220030 |
11 | 4816a2171 |
12 | 2443b6366 |
13 | 1326c8c37 |
14 | 98d70810 |
15 | 5e337370 |
hex | 3c92497e |
1016220030 has 64 divisors (see below), whose sum is σ = 2883479040. Its totient is φ = 224267904.
The previous prime is 1016220019. The next prime is 1016220031. The reversal of 1016220030 is 300226101.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 1016219991 and 1016220009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1016220031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77344 + ... + 89523.
It is an arithmetic number, because the mean of its divisors is an integer number (45054360).
Almost surely, 21016220030 is an apocalyptic number.
1016220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1016220030 is an abundant number, since it is smaller than the sum of its proper divisors (1867259010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1016220030 is a wasteful number, since it uses less digits than its factorization.
1016220030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166913.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1016220030 is about 31878.2061916915. The cubic root of 1016220030 is about 1005.3777051138.
Adding to 1016220030 its reverse (300226101), we get a palindrome (1316446131).
The spelling of 1016220030 in words is "one billion, sixteen million, two hundred twenty thousand, thirty".
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