Search a number
-
+
211002011000 = 235311171959387
BaseRepresentation
bin1100010010000010110…
…0110010110101111000
3202011122002111202022022
43010200230302311320
511424113003323000
6240533305214012
721146553333554
oct3044054626570
9664562452268
10211002011000
1181538152980
1234a88191308
1316b8879bc61
14a2d9356864
15574e2ae585
hex3120b32d78

211002011000 has 256 divisors, whose sum is σ = 600341414400. Its totient is φ = 68412672000.

The previous prime is 211002010997. The next prime is 211002011009. The reversal of 211002011000 is 110200112.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002011009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3523307 + ... + 3582693.

It is an arithmetic number, because the mean of its divisors is an integer number (2345083650).

Almost surely, 2211002011000 is an apocalyptic number.

211002011000 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 211002011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300170707200).

211002011000 is an abundant number, since it is smaller than the sum of its proper divisors (389339403400).

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

211002011000 is a wasteful number, since it uses less digits than its factorization.

211002011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59455 (or 59441 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 211002011000 its reverse (110200112), we get a palindrome (211112211112).

The spelling of 211002011000 in words is "two hundred eleven billion, two million, eleven thousand".