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30001103112 = 2331796983497
BaseRepresentation
bin11011111100001101…
…001000000100001000
32212102211100221120010
4123330031020010020
5442420240244422
621440551431520
72111312111631
oct337415100410
985384327503
1030001103112
11117a59278a2
1259933855a0
132aa1690226
141648654888
15ba8c95b0c
hex6fc348108

30001103112 has 32 divisors (see below), whose sum is σ = 75421778400. Its totient is φ = 9944498304.

The previous prime is 30001103081. The next prime is 30001103117. The reversal of 30001103112 is 21130110003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (30001103117) 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, 3487453 + ... + 3496044.

It is an arithmetic number, because the mean of its divisors is an integer number (2356930575).

Almost surely, 230001103112 is an apocalyptic number.

It is an amenable number.

30001103112 is an abundant number, since it is smaller than the sum of its proper divisors (45420675288).

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

30001103112 is a wasteful number, since it uses less digits than its factorization.

30001103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6983685 (or 6983681 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30001103112 its reverse (21130110003), we get a palindrome (51131213115).

The spelling of 30001103112 in words is "thirty billion, one million, one hundred three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 179 358 537 716 1074 1432 2148 4296 6983497 13966994 20950491 27933988 41900982 55867976 83801964 167603928 1250045963 2500091926 3750137889 5000183852 7500275778 10000367704 15000551556 30001103112