Base | Representation |
---|---|
bin | 11100000011011111… |
… | …010001100100001010 |
3 | 2212202100022020201122 |
4 | 130003133101210022 |
5 | 443143031114010 |
6 | 21501034515242 |
7 | 2114324556236 |
oct | 340337214412 |
9 | 85670266648 |
10 | 30123301130 |
11 | 118588aaa9a |
12 | 5a08295b22 |
13 | 2ac0aa6750 |
14 | 165a9835c6 |
15 | bb4882855 |
hex | 7037d190a |
30123301130 has 32 divisors (see below), whose sum is σ = 61827739344. Its totient is φ = 10468187136.
The previous prime is 30123301093. The next prime is 30123301151. The reversal of 30123301130 is 3110332103.
It can be written as a sum of positive squares in 8 ways, for example, as 6784322689 + 23338978441 = 82367^2 + 152771^2 .
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a junction number, because it is equal to n+sod(n) for n = 30123301099 and 30123301108.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6813017 + ... + 6817436.
Almost surely, 230123301130 is an apocalyptic number.
30123301130 is an abundant number, since it is smaller than the sum of its proper divisors (31704438214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30123301130 is a wasteful number, since it uses less digits than its factorization.
30123301130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13630490.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 30123301130 its reverse (3110332103), we get a palindrome (33233633233).
The spelling of 30123301130 in words is "thirty billion, one hundred twenty-three million, three hundred one thousand, one hundred thirty".
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