Base | Representation |
---|---|
bin | 10100100011101101… |
… | …101011010100000010 |
3 | 2002222101011001010110 |
4 | 110203231223110002 |
5 | 330201421403210 |
6 | 14050214412150 |
7 | 1411005004554 |
oct | 244355532402 |
9 | 62871131113 |
10 | 22074012930 |
11 | 93a82286a2 |
12 | 4340661056 |
13 | 210a297218 |
14 | 10d59294d4 |
15 | 892d9d420 |
hex | 523b6b502 |
22074012930 has 64 divisors (see below), whose sum is σ = 54006186240. Its totient is φ = 5772239616.
The previous prime is 22074012841. The next prime is 22074012931. The reversal of 22074012930 is 3921047022.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (22074012931) 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, 5911344 + ... + 5915076.
It is an arithmetic number, because the mean of its divisors is an integer number (843846660).
Almost surely, 222074012930 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22074012930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27003093120).
22074012930 is an abundant number, since it is smaller than the sum of its proper divisors (31932173310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22074012930 is a wasteful number, since it uses less digits than its factorization.
22074012930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7515.
The product of its (nonzero) digits is 6048, while the sum is 30.
Adding to 22074012930 its reverse (3921047022), we get a palindrome (25995059952).
The spelling of 22074012930 in words is "twenty-two billion, seventy-four million, twelve thousand, nine hundred thirty".
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