Base | Representation |
---|---|
bin | 11100000100110011… |
… | …101111110010001100 |
3 | 2212210212222021102010 |
4 | 130010303233302030 |
5 | 443214213220004 |
6 | 21503145301220 |
7 | 2115014024523 |
oct | 340463576214 |
9 | 85725867363 |
10 | 30145445004 |
11 | 1186a355014 |
12 | 5a13794810 |
13 | 2ac555a92c |
14 | 165d8a94ba |
15 | bb67a8a89 |
hex | 704cefc8c |
30145445004 has 24 divisors (see below), whose sum is σ = 70409111920. Its totient is φ = 10038518784.
The previous prime is 30145444963. The next prime is 30145445047. The reversal of 30145445004 is 40054454103.
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, 1232749 + ... + 1256964.
Almost surely, 230145445004 is an apocalyptic number.
It is an amenable number.
30145445004 is an abundant number, since it is smaller than the sum of its proper divisors (40263666916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30145445004 is a wasteful number, since it uses less digits than its factorization.
30145445004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2490729 (or 2490727 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 30.
Adding to 30145445004 its reverse (40054454103), we get a palindrome (70199899107).
Subtracting 30145445004 from its reverse (40054454103), we obtain a palindrome (9909009099).
The spelling of 30145445004 in words is "thirty billion, one hundred forty-five million, four hundred forty-five thousand, four".
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