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30222012421 = 109443625883
BaseRepresentation
bin11100001001010111…
…110101000000000101
32220000020001022011101
4130021113311000011
5443343313344141
621514522340101
72116633603246
oct341127650005
986006038141
1030222012421
11118a95a1277
125a3535a631
132b083887b3
141669b1accd
15bbd380531
hex7095f5005

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".

Divisors: 1 109 443 48287 625883 68221247 277266169 30222012421