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211443013210431 = 3268926210860693
BaseRepresentation
bin110000000100111001101001…
…101100010101000100111111
31000201122202101010210121000110
4300010321221230111010333
5210203240242340213211
62025411325043401103
762352152656616052
oct6004715154250477
91021582333717013
10211443013210431
1161410529716252
121b86b0a5383193
1390c9cb5431c72
143a2dc79bb0a99
15196a1b842bea6
hexc04e69b1513f

211443013210431 has 8 divisors (see below), whose sum is σ = 282028861067440. Its totient is φ = 140909587080192.

The previous prime is 211443013210427. The next prime is 211443013210439. The reversal of 211443013210431 is 134012310344112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211443013210431 - 22 = 211443013210427 is a prime.

It is a super-2 number, since 2×2114430132104312 (a number of 29 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 (211443013210439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13105422280 + ... + 13105438413.

It is an arithmetic number, because the mean of its divisors is an integer number (35253607633430).

Almost surely, 2211443013210431 is an apocalyptic number.

211443013210431 is a deficient number, since it is larger than the sum of its proper divisors (70585847857009).

211443013210431 is a wasteful number, since it uses less digits than its factorization.

211443013210431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26210863385.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 211443013210431 its reverse (134012310344112), we get a palindrome (345455323554543).

The spelling of 211443013210431 in words is "two hundred eleven trillion, four hundred forty-three billion, thirteen million, two hundred ten thousand, four hundred thirty-one".

Divisors: 1 3 2689 8067 26210860693 78632582079 70481004403477 211443013210431