Base | Representation |
---|---|
bin | 11100001001001110… |
… | …110100010011000100 |
3 | 2220000001121021212100 |
4 | 130021032310103010 |
5 | 443342212301434 |
6 | 21514355552100 |
7 | 2116604534400 |
oct | 341116642304 |
9 | 86001537770 |
10 | 30219650244 |
11 | 118a8228563 |
12 | 5a345bb630 |
13 | 2b07a3c564 |
14 | 16696a4100 |
15 | bbd065699 |
hex | 7093b44c4 |
30219650244 has 81 divisors (see below), whose sum is σ = 88881636207. Its totient is φ = 8632099728.
The previous prime is 30219650191. The next prime is 30219650257. The reversal of 30219650244 is 44205691203.
It is a happy number.
The square root of 30219650244 is 173838.
It is a perfect power (a square), and thus also a powerful number.
30219650244 is a `hidden beast` number, since 3 + 0 + 21 + 96 + 502 + 44 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 30219650199 and 30219650208.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7299127 + ... + 7303265.
Almost surely, 230219650244 is an apocalyptic number.
30219650244 is the 173838-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30219650244
30219650244 is an abundant number, since it is smaller than the sum of its proper divisors (58661985963).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30219650244 is an equidigital number, since it uses as much as digits as its factorization.
30219650244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8302 (or 4151 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
Multiplying 30219650244 by its sum of digits (36), we get a square (1087907408784 = 10430282).
30219650244 divided by its sum of digits (36) gives a square (839434729 = 289732).
The spelling of 30219650244 in words is "thirty billion, two hundred nineteen million, six hundred fifty thousand, two hundred forty-four".
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