Base | Representation |
---|---|
bin | 100001011000010… |
… | …0011000111110110 |
3 | 2220001112001202110 |
4 | 1002300203013312 |
5 | 4243211214110 |
6 | 303045551450 |
7 | 36520016160 |
oct | 10260430766 |
9 | 2801461673 |
10 | 1120023030 |
11 | 525250975 |
12 | 273115586 |
13 | 14b071729 |
14 | a8a71930 |
15 | 684dda20 |
hex | 42c231f6 |
1120023030 has 128 divisors (see below), whose sum is σ = 3163650048. Its totient is φ = 248481792.
The previous prime is 1120023029. The next prime is 1120023031. The reversal of 1120023030 is 303200211.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1120023029) and next prime (1120023031).
It is a junction number, because it is equal to n+sod(n) for n = 1120022997 and 1120023015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1120023031) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1145902 + ... + 1146878.
It is an arithmetic number, because the mean of its divisors is an integer number (24716016).
Almost surely, 21120023030 is an apocalyptic number.
1120023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1120023030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581825024).
1120023030 is an abundant number, since it is smaller than the sum of its proper divisors (2043627018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1120023030 is a wasteful number, since it uses less digits than its factorization.
1120023030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1150.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 1120023030 is about 33466.7451360302. The cubic root of 1120023030 is about 1038.5059383654.
Adding to 1120023030 its reverse (303200211), we get a palindrome (1423223241).
The spelling of 1120023030 in words is "one billion, one hundred twenty million, twenty-three thousand, thirty".
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