Base | Representation |
---|---|
bin | 11110111011100101… |
… | …101110011111100111 |
3 | 10011201121020102100122 |
4 | 132323211232133213 |
5 | 1021004233001411 |
6 | 23131332232155 |
7 | 2254011226004 |
oct | 367345563747 |
9 | 104647212318 |
10 | 33212000231 |
11 | 130a3343383 |
12 | 652a76b65b |
13 | 3193975a57 |
14 | 1870c788ab |
15 | ce5ae79db |
hex | 7bb96e7e7 |
33212000231 has 4 divisors (see below), whose sum is σ = 33212965464. Its totient is φ = 33211035000.
The previous prime is 33212000219. The next prime is 33212000233. The reversal of 33212000231 is 13200021233.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13200021233 = 7 ⋅1885717319.
It is a cyclic number.
It is not a de Polignac number, because 33212000231 - 234 = 16032131047 is a prime.
It is a super-2 number, since 2×332120002312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33212000233) 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, 429020 + ... + 500481.
It is an arithmetic number, because the mean of its divisors is an integer number (8303241366).
Almost surely, 233212000231 is an apocalyptic number.
33212000231 is a deficient number, since it is larger than the sum of its proper divisors (965233).
33212000231 is an equidigital number, since it uses as much as digits as its factorization.
33212000231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 965232.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 33212000231 its reverse (13200021233), we get a palindrome (46412021464).
The spelling of 33212000231 in words is "thirty-three billion, two hundred twelve million, two hundred thirty-one", and thus it is an aban number.
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