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30001102112 = 252382349529
BaseRepresentation
bin11011111100001101…
…000111110100100000
32212102211100220012002
4123330031013310200
5442420240231422
621440551423132
72111312106002
oct337415076440
985384326162
1030001102112
11117a5927073
125993384aa8
132aa168c937
141648654372
15ba8c95692
hex6fc347d20

30001102112 has 48 divisors (see below), whose sum is σ = 61708832640. Its totient is φ = 14330629632.

The previous prime is 30001102111. The next prime is 30001102123. The reversal of 30001102112 is 21120110003.

It is a super-2 number, since 2×300011021122 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30001102093 and 30001102102.

It is not an unprimeable number, because it can be changed into a prime (30001102111) 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, 580964 + ... + 630492.

It is an arithmetic number, because the mean of its divisors is an integer number (1285600680).

Almost surely, 230001102112 is an apocalyptic number.

30001102112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30001102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30854416320).

30001102112 is an abundant number, since it is smaller than the sum of its proper divisors (31707730528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30001102112 is a wasteful number, since it uses less digits than its factorization.

30001102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50385 (or 50377 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30001102112 its reverse (21120110003), we get a palindrome (51121212115).

The spelling of 30001102112 in words is "thirty billion, one million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 823 1646 3292 6584 13168 18929 26336 37858 49529 75716 99058 151432 198116 302864 396232 605728 792464 1139167 1584928 2278334 4556668 9113336 18226672 36453344 40762367 81524734 163049468 326098936 652197872 937534441 1304395744 1875068882 3750137764 7500275528 15000551056 30001102112