Base | Representation |
---|---|
bin | 1100010101010101… |
… | …11000101101101100 |
3 | 122002110110022000012 |
4 | 12022222320231230 |
5 | 102030043343302 |
6 | 3013012552352 |
7 | 323041346000 |
oct | 61252705554 |
9 | 18073408005 |
10 | 6621465452 |
11 | 289870aaa8 |
12 | 13496226b8 |
13 | 816a6bac4 |
14 | 46b582700 |
15 | 28b495a52 |
hex | 18aab8b6c |
6621465452 has 48 divisors (see below), whose sum is σ = 13742400000. Its totient is φ = 2789638992.
The previous prime is 6621465373. The next prime is 6621465493. The reversal of 6621465452 is 2545641266.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40049 + ... + 121847.
It is an arithmetic number, because the mean of its divisors is an integer number (286300000).
Almost surely, 26621465452 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 6621465452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6871200000).
6621465452 is an abundant number, since it is smaller than the sum of its proper divisors (7120934548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6621465452 is a wasteful number, since it uses less digits than its factorization.
6621465452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81883 (or 81867 counting only the distinct ones).
The product of its digits is 345600, while the sum is 41.
The square root of 6621465452 is about 81372.3875279569. The cubic root of 6621465452 is about 1877.8088108432.
The spelling of 6621465452 in words is "six billion, six hundred twenty-one million, four hundred sixty-five thousand, four hundred fifty-two".
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