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30001222012 = 2273167615233
BaseRepresentation
bin11011111100001101…
…100101000101111100
32212102211120222122211
4123330031211011330
5442420303101022
621440554150204
72111313115366
oct337415450574
985384528584
1030001222012
11117a59a9163
125993422364
132aa1702398
141648685d36
15ba8cbae77
hex6fc36517c

30001222012 has 24 divisors (see below), whose sum is σ = 53540123616. Its totient is φ = 14706505728.

The previous prime is 30001222001. The next prime is 30001222109. The reversal of 30001222012 is 21022210003.

It is a junction number, because it is equal to n+sod(n) for n = 30001221983 and 30001222001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258853 + ... + 356380.

It is an arithmetic number, because the mean of its divisors is an integer number (2230838484).

Almost surely, 230001222012 is an apocalyptic number.

It is an amenable number.

30001222012 is a deficient number, since it is larger than the sum of its proper divisors (23538901604).

30001222012 is a wasteful number, since it uses less digits than its factorization.

30001222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615477 (or 615475 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30001222012 its reverse (21022210003), we get a palindrome (51023432015).

The spelling of 30001222012 in words is "thirty billion, one million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 73 146 167 292 334 668 12191 24382 48764 615233 1230466 2460932 44912009 89824018 102743911 179648036 205487822 410975644 7500305503 15000611006 30001222012