Base | Representation |
---|---|
bin | 11100100101000110… |
… | …011100001011101110 |
3 | 2221012122102010000010 |
4 | 130211012130023232 |
5 | 1000321411410431 |
6 | 22033021314050 |
7 | 2134313015052 |
oct | 344506341356 |
9 | 87178363003 |
10 | 30687216366 |
11 | 12018151944 |
12 | 5b45105926 |
13 | 2b808798c1 |
14 | 16b1815c62 |
15 | be9123846 |
hex | 72519c2ee |
30687216366 has 8 divisors (see below), whose sum is σ = 61374432744. Its totient is φ = 10229072120.
The previous prime is 30687216319. The next prime is 30687216367. The reversal of 30687216366 is 66361278603.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
30687216366 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30687216367) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557268025 + ... + 2557268036.
It is an arithmetic number, because the mean of its divisors is an integer number (7671804093).
Almost surely, 230687216366 is an apocalyptic number.
30687216366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30687216366 is a wasteful number, since it uses less digits than its factorization.
30687216366 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5114536066.
The product of its (nonzero) digits is 1306368, while the sum is 48.
The spelling of 30687216366 in words is "thirty billion, six hundred eighty-seven million, two hundred sixteen thousand, three hundred sixty-six".
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