Base | Representation |
---|---|
bin | 11111110111100000… |
… | …011100001110000101 |
3 | 10021022122210021112110 |
4 | 133313200130032011 |
5 | 1030034103410441 |
6 | 23415202211233 |
7 | 2320635543264 |
oct | 376740341605 |
9 | 107278707473 |
10 | 34217247621 |
11 | 13569820647 |
12 | 676b353b19 |
13 | 32c3ccc4ab |
14 | 19285905db |
15 | d53eb3b16 |
hex | 7f781c385 |
34217247621 has 8 divisors (see below), whose sum is σ = 45624092800. Its totient is φ = 22810950432.
The previous prime is 34217247619. The next prime is 34217247671. The reversal of 34217247621 is 12674271243.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 34217247621 - 21 = 34217247619 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 34217247621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34217247671) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 42180 + ... + 264978.
It is an arithmetic number, because the mean of its divisors is an integer number (5703011600).
Almost surely, 234217247621 is an apocalyptic number.
It is an amenable number.
34217247621 is a deficient number, since it is larger than the sum of its proper divisors (11406845179).
34217247621 is a wasteful number, since it uses less digits than its factorization.
34217247621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273995.
The product of its digits is 112896, while the sum is 39.
The spelling of 34217247621 in words is "thirty-four billion, two hundred seventeen million, two hundred forty-seven thousand, six hundred twenty-one".
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