Base | Representation |
---|---|
bin | 11100010100000000… |
… | …011010100111011100 |
3 | 2220110122202120101220 |
4 | 130110000122213130 |
5 | 444230002040122 |
6 | 21544334333340 |
7 | 2124231225651 |
oct | 342400324734 |
9 | 86418676356 |
10 | 30400424412 |
11 | 119902798a6 |
12 | 5a8505a250 |
13 | 2b36324917 |
14 | 16856bdc28 |
15 | bcdd7325c |
hex | 71401a9dc |
30400424412 has 48 divisors (see below), whose sum is σ = 73906947072. Its totient is φ = 9714925440.
The previous prime is 30400424387. The next prime is 30400424419. The reversal of 30400424412 is 21442400403.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30400424419) 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, 342073 + ... + 421680.
It is an arithmetic number, because the mean of its divisors is an integer number (1539728064).
Almost surely, 230400424412 is an apocalyptic number.
It is an amenable number.
30400424412 is an abundant number, since it is smaller than the sum of its proper divisors (43506522660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30400424412 is a wasteful number, since it uses less digits than its factorization.
30400424412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 763898 (or 763896 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 30400424412 its reverse (21442400403), we get a palindrome (51842824815).
The spelling of 30400424412 in words is "thirty billion, four hundred million, four hundred twenty-four thousand, four hundred twelve".
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