Base | Representation |
---|---|
bin | 1111010011110… |
… | …1000011001011 |
3 | 11110211100221111 |
4 | 3310331003023 |
5 | 112414310240 |
6 | 10212151151 |
7 | 1406542324 |
oct | 364750313 |
9 | 143740844 |
10 | 64213195 |
11 | 33279362 |
12 | 196084b7 |
13 | 103c3897 |
14 | 875744b |
15 | 59861ea |
hex | 3d3d0cb |
64213195 has 8 divisors (see below), whose sum is σ = 77179536. Its totient is φ = 51288096.
The previous prime is 64213159. The next prime is 64213211. The reversal of 64213195 is 59131246.
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 64213195 - 27 = 64213067 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6772 + ... + 13201.
It is an arithmetic number, because the mean of its divisors is an integer number (9647442).
Almost surely, 264213195 is an apocalyptic number.
64213195 is a deficient number, since it is larger than the sum of its proper divisors (12966341).
64213195 is a wasteful number, since it uses less digits than its factorization.
64213195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20621.
The product of its digits is 6480, while the sum is 31.
The square root of 64213195 is about 8013.3136092381. The cubic root of 64213195 is about 400.4436639738.
The spelling of 64213195 in words is "sixty-four million, two hundred thirteen thousand, one hundred ninety-five".
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