Base | Representation |
---|---|
bin | 11100011011010101… |
… | …010000111001111010 |
3 | 2220210020000211102000 |
4 | 130123111100321322 |
5 | 1000002433031140 |
6 | 22004444521430 |
7 | 2130253011534 |
oct | 343325207172 |
9 | 86706024360 |
10 | 30523330170 |
11 | 11a43695803 |
12 | 5aba250276 |
13 | 2b55928318 |
14 | 1697b54854 |
15 | bd9a4ea30 |
hex | 71b550e7a |
30523330170 has 128 divisors (see below), whose sum is σ = 87810324480. Its totient is φ = 7516154880.
The previous prime is 30523330151. The next prime is 30523330181. The reversal of 30523330170 is 7103332503.
30523330170 is a `hidden beast` number, since 305 + 23 + 330 + 1 + 7 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180535 + ... + 306005.
It is an arithmetic number, because the mean of its divisors is an integer number (686018160).
Almost surely, 230523330170 is an apocalyptic number.
30523330170 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30523330170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43905162240).
30523330170 is an abundant number, since it is smaller than the sum of its proper divisors (57286994310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30523330170 is a wasteful number, since it uses less digits than its factorization.
30523330170 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125557 (or 125551 counting only the distinct ones).
The product of its (nonzero) digits is 5670, while the sum is 27.
Adding to 30523330170 its reverse (7103332503), we get a palindrome (37626662673).
The spelling of 30523330170 in words is "thirty billion, five hundred twenty-three million, three hundred thirty thousand, one hundred seventy".
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