Search a number
-
+
211251341532000 = 2535374113731787
BaseRepresentation
bin110000000010000111001001…
…001010111001101101100000
31000200222102122012201110221110
4300002013021022321231200
5210142120221413011000
62025143305422223320
762332256114340000
oct6002071112715540
91020872565643843
10211251341532000
1161347210a90340
121b839b12a24b40
1390b4bba68ba23
143a24895c20000
1519651eb208850
hexc021c92b9b60

211251341532000 has 1920 divisors, whose sum is σ = 883605907312128. Its totient is φ = 43754199552000.

The previous prime is 211251341531917. The next prime is 211251341532019. The reversal of 211251341532000 is 235143152112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 319 ways as a sum of consecutive naturals, for example, 118215635107 + ... + 118215636893.

Almost surely, 2211251341532000 is an apocalyptic number.

211251341532000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211251341532000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441802953656064).

211251341532000 is an abundant number, since it is smaller than the sum of its proper divisors (672354565780128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211251341532000 is a wasteful number, since it uses less digits than its factorization.

211251341532000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 211251341532000 its reverse (235143152112), we get a palindrome (211486484684112).

The spelling of 211251341532000 in words is "two hundred eleven trillion, two hundred fifty-one billion, three hundred forty-one million, five hundred thirty-two thousand".