Base | Representation |
---|---|
bin | 11111110111000101… |
… | …010110000101101101 |
3 | 10021022011102102001101 |
4 | 133313011112011231 |
5 | 1030030244111441 |
6 | 23414350043101 |
7 | 2320521300652 |
oct | 376705260555 |
9 | 107264372041 |
10 | 34210144621 |
11 | 13565809aa4 |
12 | 6768aa9491 |
13 | 32c26b3433 |
14 | 1927661c29 |
15 | d5355e231 |
hex | 7f715616d |
34210144621 has 4 divisors (see below), whose sum is σ = 34210552572. Its totient is φ = 34209736672.
The previous prime is 34210144597. The next prime is 34210144649. The reversal of 34210144621 is 12644101243.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 17545916521 + 16664228100 = 132461^2 + 129090^2 .
It is a cyclic number.
It is not a de Polignac number, because 34210144621 - 233 = 25620210029 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 34210144621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34210144921) 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, 27010 + ... + 262963.
It is an arithmetic number, because the mean of its divisors is an integer number (8552638143).
Almost surely, 234210144621 is an apocalyptic number.
It is an amenable number.
34210144621 is a deficient number, since it is larger than the sum of its proper divisors (407951).
34210144621 is a wasteful number, since it uses less digits than its factorization.
34210144621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 407950.
The product of its (nonzero) digits is 4608, while the sum is 28.
Adding to 34210144621 its reverse (12644101243), we get a palindrome (46854245864).
The spelling of 34210144621 in words is "thirty-four billion, two hundred ten million, one hundred forty-four thousand, six hundred twenty-one".
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