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213024414243 = 371008138081
BaseRepresentation
bin1100011001100100111…
…1101001101000100011
3202100212001000111000010
43012121033221220203
511442233222223433
6241510112300003
721250641434124
oct3063117515043
9670761014003
10213024414243
1182385801413
1235351541603
131711b78b574
14a44bba404b
15581bae9e63
hex31993e9a23

213024414243 has 4 divisors (see below), whose sum is σ = 284032552328. Its totient is φ = 142016276160.

The previous prime is 213024414241. The next prime is 213024414313. The reversal of 213024414243 is 342414420312.

213024414243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 213024414243 - 21 = 213024414241 is a prime.

It is a super-2 number, since 2×2130244142432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213024414243.

It is not an unprimeable number, because it can be changed into a prime (213024414241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35504069038 + ... + 35504069043.

It is an arithmetic number, because the mean of its divisors is an integer number (71008138082).

Almost surely, 2213024414243 is an apocalyptic number.

213024414243 is a deficient number, since it is larger than the sum of its proper divisors (71008138085).

213024414243 is an equidigital number, since it uses as much as digits as its factorization.

213024414243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71008138084.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 213024414243 its reverse (342414420312), we get a palindrome (555438834555).

The spelling of 213024414243 in words is "two hundred thirteen billion, twenty-four million, four hundred fourteen thousand, two hundred forty-three".

Divisors: 1 3 71008138081 213024414243