Base | Representation |
---|---|
bin | 1100011010011000101… |
… | …0001000000000000000 |
3 | 202101102010200201020102 |
4 | 3012212022020000000 |
5 | 11443204203211233 |
6 | 241543412101532 |
7 | 21256212120242 |
oct | 3064612100000 |
9 | 671363621212 |
10 | 213241069568 |
11 | 8248702a7aa |
12 | 353b20048a8 |
13 | 17154627797 |
14 | a46c880092 |
15 | 5830b441e8 |
hex | 31a6288000 |
213241069568 has 48 divisors (see below), whose sum is σ = 426642876855. Its totient is φ = 106578739200.
The previous prime is 213241069567. The next prime is 213241069621. The reversal of 213241069568 is 865960142312.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 106620534784 + 106620534784 = 326528^2 + 326528^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=326528.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213241069567) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 83589893 + ... + 83592443.
Almost surely, 2213241069568 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 213241069568
213241069568 is an abundant number, since it is smaller than the sum of its proper divisors (213401807287).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213241069568 is an frugal number, since it uses more digits than its factorization.
213241069568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5132 (or 2553 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 47.
The spelling of 213241069568 in words is "two hundred thirteen billion, two hundred forty-one million, sixty-nine thousand, five hundred sixty-eight".
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