Base | Representation |
---|---|
bin | 11100101101000001… |
… | …000001000000011100 |
3 | 2221112220021211110011 |
4 | 130231001001000130 |
5 | 1001104410341220 |
6 | 22054123453004 |
7 | 2140514531365 |
oct | 345501010034 |
9 | 87486254404 |
10 | 30820012060 |
11 | 12086103252 |
12 | 5b81687164 |
13 | 2ba2233a36 |
14 | 16c5302b6c |
15 | c05b0565a |
hex | 72d04101c |
30820012060 has 24 divisors (see below), whose sum is σ = 65688028560. Its totient is φ = 12144004224.
The previous prime is 30820012057. The next prime is 30820012103. The reversal of 30820012060 is 6021002803.
It is a congruent number.
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, 11498665 + ... + 11501344.
It is an arithmetic number, because the mean of its divisors is an integer number (2737001190).
Almost surely, 230820012060 is an apocalyptic number.
It is an amenable number.
30820012060 is an abundant number, since it is smaller than the sum of its proper divisors (34868016500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30820012060 is a wasteful number, since it uses less digits than its factorization.
30820012060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23000085 (or 23000083 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 30820012060 its reverse (6021002803), we get a palindrome (36841014863).
The spelling of 30820012060 in words is "thirty billion, eight hundred twenty million, twelve thousand, sixty".
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