Base | Representation |
---|---|
bin | 11100101101010110… |
… | …011100001111101010 |
3 | 2221120021212011222000 |
4 | 130231112130033222 |
5 | 1001112330104100 |
6 | 22054444111430 |
7 | 2140613343315 |
oct | 345526341752 |
9 | 87507764860 |
10 | 30825628650 |
11 | 1208929a063 |
12 | 5b83535576 |
13 | 2ba344c36b |
14 | 16c5d6597c |
15 | c06364900 |
hex | 72d59c3ea |
30825628650 has 48 divisors (see below), whose sum is σ = 84941736000. Its totient is φ = 8220167280.
The previous prime is 30825628643. The next prime is 30825628651. The reversal of 30825628650 is 5682652803.
30825628650 is a `hidden beast` number, since 3 + 0 + 8 + 2 + 562 + 86 + 5 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 30825628596 and 30825628605.
It is not an unprimeable number, because it can be changed into a prime (30825628651) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11415550 + ... + 11418249.
It is an arithmetic number, because the mean of its divisors is an integer number (1769619500).
Almost surely, 230825628650 is an apocalyptic number.
30825628650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30825628650 is an abundant number, since it is smaller than the sum of its proper divisors (54116107350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30825628650 is a wasteful number, since it uses less digits than its factorization.
30825628650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22833820 (or 22833809 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 45.
The spelling of 30825628650 in words is "thirty billion, eight hundred twenty-five million, six hundred twenty-eight thousand, six hundred fifty".
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