Base | Representation |
---|---|
bin | 11011110101010110… |
… | …010000101100000000 |
3 | 2212010210220000021000 |
4 | 123311112100230000 |
5 | 442201312312331 |
6 | 21421321532000 |
7 | 2105414203101 |
oct | 336526205400 |
9 | 85123800230 |
10 | 29886057216 |
11 | 1174699a144 |
12 | 5960944000 |
13 | 2a838ac232 |
14 | 16372683a8 |
15 | b9db1d0e6 |
hex | 6f5590b00 |
29886057216 has 288 divisors, whose sum is σ = 93987371520. Its totient is φ = 9346461696.
The previous prime is 29886057209. The next prime is 29886057247. The reversal of 29886057216 is 61275068892.
29886057216 is a `hidden beast` number, since 2 + 9 + 8 + 8 + 60 + 572 + 1 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (288).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8423955 + ... + 8427501.
It is an arithmetic number, because the mean of its divisors is an integer number (326345040).
Almost surely, 229886057216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29886057216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46993685760).
29886057216 is an abundant number, since it is smaller than the sum of its proper divisors (64101314304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29886057216 is a wasteful number, since it uses less digits than its factorization.
29886057216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3648 (or 3628 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 54.
The spelling of 29886057216 in words is "twenty-nine billion, eight hundred eighty-six million, fifty-seven thousand, two hundred sixteen".
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