Base | Representation |
---|---|
bin | 10010110000000110… |
… | …110011110100010000 |
3 | 1220222012111202011102 |
4 | 102300012303310100 |
5 | 312213404204204 |
6 | 13125531003532 |
7 | 1311643644542 |
oct | 226006636420 |
9 | 56865452142 |
10 | 20134444304 |
11 | 85a2407017 |
12 | 3a9ab995a8 |
13 | 1b8b4bb290 |
14 | d900c1692 |
15 | 7cc97641e |
hex | 4b01b3d10 |
20134444304 has 80 divisors (see below), whose sum is σ = 42976082688. Its totient is φ = 9080073216.
The previous prime is 20134444303. The next prime is 20134444321. The reversal of 20134444304 is 40344443102.
It is a happy number.
It is a super-3 number, since 3×201344443043 (a number of 32 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (20134444301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7692404 + ... + 7695020.
Almost surely, 220134444304 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20134444304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21488041344).
20134444304 is an abundant number, since it is smaller than the sum of its proper divisors (22841638384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20134444304 is a wasteful number, since it uses less digits than its factorization.
20134444304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3472 (or 3466 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 29.
Adding to 20134444304 its reverse (40344443102), we get a palindrome (60478887406).
The spelling of 20134444304 in words is "twenty billion, one hundred thirty-four million, four hundred forty-four thousand, three hundred four".
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