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223212033133 = 305917729649
BaseRepresentation
bin1100111111100001111…
…0010101010001101101
3210100011000211010212021
43033320132111101231
512124114240030013
6250313040310141
722061254655665
oct3177036252155
9710130733767
10223212033133
1186733412261
1237315312351
13180832b971b
14ab36c051a5
155c161b8a8d
hex33f879546d

223212033133 has 4 divisors (see below), whose sum is σ = 223213068700. Its totient is φ = 223210997568.

The previous prime is 223212033131. The next prime is 223212033179. The reversal of 223212033133 is 331330212322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 141829066404 + 81382966729 = 376602^2 + 285277^2 .

It is a cyclic number.

It is not a de Polignac number, because 223212033133 - 21 = 223212033131 is a prime.

It is a super-3 number, since 3×2232120331333 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223212033098 and 223212033107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223212033131) 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, 58908 + ... + 670741.

It is an arithmetic number, because the mean of its divisors is an integer number (55803267175).

Almost surely, 2223212033133 is an apocalyptic number.

It is an amenable number.

223212033133 is a deficient number, since it is larger than the sum of its proper divisors (1035567).

223212033133 is an equidigital number, since it uses as much as digits as its factorization.

223212033133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035566.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 223212033133 its reverse (331330212322), we get a palindrome (554542245455).

The spelling of 223212033133 in words is "two hundred twenty-three billion, two hundred twelve million, thirty-three thousand, one hundred thirty-three".

Divisors: 1 305917 729649 223212033133