Base | Representation |
---|---|
bin | 1011100101110001… |
… | …0010010100001010 |
3 | 22000211021100002000 |
4 | 2321130102110022 |
5 | 22332431400020 |
6 | 1232415451430 |
7 | 140045522652 |
oct | 27134222412 |
9 | 8024240060 |
10 | 3111200010 |
11 | 1357211686 |
12 | 729b26b76 |
13 | 3a7749b69 |
14 | 2172b1362 |
15 | 13320c090 |
hex | b971250a |
3111200010 has 64 divisors (see below), whose sum is σ = 8310816000. Its totient is φ = 828225216.
The previous prime is 3111199997. The next prime is 3111200017. The reversal of 3111200010 is 100021113.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 3111199965 and 3111200001.
It is not an unprimeable number, because it can be changed into a prime (3111200017) 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, 152112 + ... + 171348.
It is an arithmetic number, because the mean of its divisors is an integer number (129856500).
Almost surely, 23111200010 is an apocalyptic number.
3111200010 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 3111200010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155408000).
3111200010 is an abundant number, since it is smaller than the sum of its proper divisors (5199615990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3111200010 is a wasteful number, since it uses less digits than its factorization.
3111200010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19852 (or 19846 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 3111200010 is about 55778.1320052940. The cubic root of 3111200010 is about 1459.8536179630.
Adding to 3111200010 its reverse (100021113), we get a palindrome (3211221123).
The spelling of 3111200010 in words is "three billion, one hundred eleven million, two hundred thousand, ten".
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