Base | Representation |
---|---|
bin | 11011111101010101… |
… | …010101001010011100 |
3 | 2212111010222120220220 |
4 | 123331111111022130 |
5 | 442440111444012 |
6 | 21442505241340 |
7 | 2111632024440 |
oct | 337525251234 |
9 | 85433876826 |
10 | 30020031132 |
11 | 11805585793 |
12 | 5999793250 |
13 | 2aa5589740 |
14 | 164ad80820 |
15 | baa78408c |
hex | 6fd55529c |
30020031132 has 96 divisors (see below), whose sum is σ = 86245469184. Its totient is φ = 7914240000.
The previous prime is 30020031053. The next prime is 30020031143. The reversal of 30020031132 is 23113002003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4365657 + ... + 4372527.
It is an arithmetic number, because the mean of its divisors is an integer number (898390304).
Almost surely, 230020031132 is an apocalyptic number.
It is an amenable number.
30020031132 is an abundant number, since it is smaller than the sum of its proper divisors (56225438052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30020031132 is a wasteful number, since it uses less digits than its factorization.
30020031132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10899 (or 10897 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 30020031132 its reverse (23113002003), we get a palindrome (53133033135).
The spelling of 30020031132 in words is "thirty billion, twenty million, thirty-one thousand, one hundred thirty-two".
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