Base | Representation |
---|---|
bin | 11100001110101011… |
… | …010111100111101000 |
3 | 2220020102112102000121 |
4 | 130032223113213220 |
5 | 444034110133112 |
6 | 21531422213024 |
7 | 2122064266465 |
oct | 341653274750 |
9 | 86212472017 |
10 | 30311021032 |
11 | 11944865806 |
12 | 5a5b124174 |
13 | 2b20951406 |
14 | 167788a66c |
15 | bc60b3407 |
hex | 70ead79e8 |
30311021032 has 16 divisors (see below), whose sum is σ = 58666492800. Its totient is φ = 14666622960.
The previous prime is 30311021023. The next prime is 30311021053. The reversal of 30311021032 is 23012011303.
It is a junction number, because it is equal to n+sod(n) for n = 30311020997 and 30311021015.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61110682 + ... + 61111177.
It is an arithmetic number, because the mean of its divisors is an integer number (3666655800).
Almost surely, 230311021032 is an apocalyptic number.
It is an amenable number.
30311021032 is a deficient number, since it is larger than the sum of its proper divisors (28355471768).
30311021032 is a wasteful number, since it uses less digits than its factorization.
30311021032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122221896 (or 122221892 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30311021032 its reverse (23012011303), we get a palindrome (53323032335).
The spelling of 30311021032 in words is "thirty billion, three hundred eleven million, twenty-one thousand, thirty-two".
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