Base | Representation |
---|---|
bin | 1000010011111011… |
… | …0101011101110001 |
3 | 12202111010211001001 |
4 | 2010332311131301 |
5 | 14032123030213 |
6 | 1005215242001 |
7 | 106200510013 |
oct | 20476653561 |
9 | 5674124031 |
10 | 2231064433 |
11 | a45417804 |
12 | 523219301 |
13 | 2972b9c90 |
14 | 1724461b3 |
15 | d0d061dd |
hex | 84fb5771 |
2231064433 has 4 divisors (see below), whose sum is σ = 2402684788. Its totient is φ = 2059444080.
The previous prime is 2231064431. The next prime is 2231064439. The reversal of 2231064433 is 3344601322.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 956788624 + 1274275809 = 30932^2 + 35697^2 .
It is a cyclic number.
It is not a de Polignac number, because 2231064433 - 21 = 2231064431 is a prime.
It is a super-3 number, since 3×22310644333 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2231064431) 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, 85810158 + ... + 85810183.
It is an arithmetic number, because the mean of its divisors is an integer number (600671197).
Almost surely, 22231064433 is an apocalyptic number.
It is an amenable number.
2231064433 is a deficient number, since it is larger than the sum of its proper divisors (171620355).
2231064433 is a wasteful number, since it uses less digits than its factorization.
2231064433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171620354.
The product of its (nonzero) digits is 10368, while the sum is 28.
The square root of 2231064433 is about 47234.1447789626. The cubic root of 2231064433 is about 1306.6843940729.
Adding to 2231064433 its reverse (3344601322), we get a palindrome (5575665755).
The spelling of 2231064433 in words is "two billion, two hundred thirty-one million, sixty-four thousand, four hundred thirty-three".
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