Base | Representation |
---|---|
bin | 1011100101010101… |
… | …0111101010110010 |
3 | 22000200212012222220 |
4 | 2321111113222302 |
5 | 22332000340210 |
6 | 1232312541510 |
7 | 140024232006 |
oct | 27125275262 |
9 | 8020765886 |
10 | 3109386930 |
11 | 1356193471 |
12 | 7293b1896 |
13 | 3a7263830 |
14 | 216d5c706 |
15 | 132e9ec70 |
hex | b9557ab2 |
3109386930 has 64 divisors (see below), whose sum is σ = 8077563648. Its totient is φ = 761483520.
The previous prime is 3109386923. The next prime is 3109386949. The reversal of 3109386930 is 396839013.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56595 + ... + 97065.
It is an arithmetic number, because the mean of its divisors is an integer number (126211932).
Almost surely, 23109386930 is an apocalyptic number.
3109386930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3109386930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4038781824).
3109386930 is an abundant number, since it is smaller than the sum of its proper divisors (4968176718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3109386930 is a wasteful number, since it uses less digits than its factorization.
3109386930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40691.
The product of its (nonzero) digits is 104976, while the sum is 42.
The square root of 3109386930 is about 55761.8770308174. The cubic root of 3109386930 is about 1459.5699818836.
The spelling of 3109386930 in words is "three billion, one hundred nine million, three hundred eighty-six thousand, nine hundred thirty".
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