Base | Representation |
---|---|
bin | 11100001001010111… |
… | …110101000000000101 |
3 | 2220000020001022011101 |
4 | 130021113311000011 |
5 | 443343313344141 |
6 | 21514522340101 |
7 | 2116633603246 |
oct | 341127650005 |
9 | 86006038141 |
10 | 30222012421 |
11 | 118a95a1277 |
12 | 5a3535a631 |
13 | 2b083887b3 |
14 | 1669b1accd |
15 | bbd380531 |
hex | 7095f5005 |
30222012421 has 8 divisors (see below), whose sum is σ = 30568174560. Its totient is φ = 29877103152.
The previous prime is 30222012409. The next prime is 30222012433. The reversal of 30222012421 is 12421022203.
It is an interprime number because it is at equal distance from previous prime (30222012409) and next prime (30222012433).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30222012421 - 229 = 29685141509 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30222012451) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264655 + ... + 361228.
It is an arithmetic number, because the mean of its divisors is an integer number (3821021820).
Almost surely, 230222012421 is an apocalyptic number.
It is an amenable number.
30222012421 is a deficient number, since it is larger than the sum of its proper divisors (346162139).
30222012421 is a wasteful number, since it uses less digits than its factorization.
30222012421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 626435.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 30222012421 its reverse (12421022203), we get a palindrome (42643034624).
The spelling of 30222012421 in words is "thirty billion, two hundred twenty-two million, twelve thousand, four hundred twenty-one".
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