Base | Representation |
---|---|
bin | 11100011100010101… |
… | …101101011110011100 |
3 | 2220211101211010221200 |
4 | 130130111231132130 |
5 | 1000021244140122 |
6 | 22010250555500 |
7 | 2130546424065 |
oct | 343425553634 |
9 | 86741733850 |
10 | 30540224412 |
11 | 11a52184695 |
12 | 5b03a38b90 |
13 | 2b59291c09 |
14 | 169a0b156c |
15 | bdb28a5ac |
hex | 71c56d79c |
30540224412 has 72 divisors (see below), whose sum is σ = 80659453056. Its totient is φ = 9724882464.
The previous prime is 30540224387. The next prime is 30540224419. The reversal of 30540224412 is 21442204503.
30540224412 is a `hidden beast` number, since 3 + 0 + 5 + 402 + 244 + 12 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30540224419) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 628203 + ... + 675069.
Almost surely, 230540224412 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 30540224412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40329726528).
30540224412 is an abundant number, since it is smaller than the sum of its proper divisors (50119228644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30540224412 is a wasteful number, since it uses less digits than its factorization.
30540224412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47687 (or 47682 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 30540224412 its reverse (21442204503), we get a palindrome (51982428915).
The spelling of 30540224412 in words is "thirty billion, five hundred forty million, two hundred twenty-four thousand, four hundred twelve".
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