Base | Representation |
---|---|
bin | 11100001110101011… |
… | …101011001001001010 |
3 | 2220020102200110201110 |
4 | 130032223223021022 |
5 | 444034120213002 |
6 | 21531424031150 |
7 | 2122065051600 |
oct | 341653531112 |
9 | 86212613643 |
10 | 30311101002 |
11 | 1194490a8a6 |
12 | 5a5b1624b6 |
13 | 2b2097b930 |
14 | 16778ab870 |
15 | bc60cbe6c |
hex | 70eaeb24a |
30311101002 has 192 divisors, whose sum is σ = 78791940864. Its totient is φ = 7698862080.
The previous prime is 30311100979. The next prime is 30311101003. The reversal of 30311101002 is 20010111303.
It is not an unprimeable number, because it can be changed into a prime (30311101003) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14564602 + ... + 14566682.
It is an arithmetic number, because the mean of its divisors is an integer number (410374692).
Almost surely, 230311101002 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30311101002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39395970432).
30311101002 is an abundant number, since it is smaller than the sum of its proper divisors (48480839862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30311101002 is a wasteful number, since it uses less digits than its factorization.
30311101002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2253 (or 2246 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 30311101002 its reverse (20010111303), we get a palindrome (50321212305).
The spelling of 30311101002 in words is "thirty billion, three hundred eleven million, one hundred one thousand, two".
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