Base | Representation |
---|---|
bin | 11011011110110011… |
… | …111111110000001101 |
3 | 2211011110110111121121 |
4 | 123132303333300031 |
5 | 440413020214310 |
6 | 21320014200541 |
7 | 2063143442101 |
oct | 333663776015 |
9 | 84143414547 |
10 | 29507976205 |
11 | 115725352a4 |
12 | 58761b3151 |
13 | 2a23473666 |
14 | 15dcd6b901 |
15 | b7a8390da |
hex | 6decffc0d |
29507976205 has 8 divisors (see below), whose sum is σ = 35436384504. Its totient is φ = 23588505600.
The previous prime is 29507976181. The next prime is 29507976221. The reversal of 29507976205 is 50267970592.
It can be written as a sum of positive squares in 4 ways, for example, as 8351400996 + 21156575209 = 91386^2 + 145453^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29507976205 - 211 = 29507974157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2227156 + ... + 2240365.
It is an arithmetic number, because the mean of its divisors is an integer number (4429548063).
Almost surely, 229507976205 is an apocalyptic number.
It is an amenable number.
29507976205 is a deficient number, since it is larger than the sum of its proper divisors (5928408299).
29507976205 is a wasteful number, since it uses less digits than its factorization.
29507976205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4468847.
The product of its (nonzero) digits is 2381400, while the sum is 52.
The spelling of 29507976205 in words is "twenty-nine billion, five hundred seven million, nine hundred seventy-six thousand, two hundred five".
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