Base | Representation |
---|---|
bin | 11111110010010101… |
… | …010011100010110101 |
3 | 10021002121110010012001 |
4 | 133302111103202311 |
5 | 1024344343124141 |
6 | 23402421455301 |
7 | 2315532655015 |
oct | 376225234265 |
9 | 107077403161 |
10 | 34130442421 |
11 | 13524821609 |
12 | 6746271531 |
13 | 32ac02877a |
14 | 191ac35c45 |
15 | d4b568a31 |
hex | 7f25538b5 |
34130442421 has 8 divisors (see below), whose sum is σ = 34401024000. Its totient is φ = 33860534448.
The previous prime is 34130442397. The next prime is 34130442433. The reversal of 34130442421 is 12424403143.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 34130442421 - 27 = 34130442293 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 34130442421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34130442221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66421 + ... + 269578.
It is an arithmetic number, because the mean of its divisors is an integer number (4300128000).
Almost surely, 234130442421 is an apocalyptic number.
It is an amenable number.
34130442421 is a deficient number, since it is larger than the sum of its proper divisors (270581579).
34130442421 is a wasteful number, since it uses less digits than its factorization.
34130442421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336803.
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 34130442421 its reverse (12424403143), we get a palindrome (46554845564).
The spelling of 34130442421 in words is "thirty-four billion, one hundred thirty million, four hundred forty-two thousand, four hundred twenty-one".
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