Search a number
-
+
211003032221310 = 23571937238628901
BaseRepresentation
bin101111111110011111111000…
…110010000011011001111110
31000200002200201002221112112210
4233332133320302003121332
5210124033202222040220
62024433242124041250
762305315561123410
oct5776377062033176
91020080632845483
10211003032221310
116126097993aa8a
121b7b9974693226
139097667969514
143a1685bb8c9b0
15195da16a546e0
hexbfe7f8c8367e

211003032221310 has 192 divisors, whose sum is σ = 626121966113280. Its totient is φ = 44455992307200.

The previous prime is 211003032221249. The next prime is 211003032221437. The reversal of 211003032221310 is 13122230300112.

It is a super-2 number, since 2×2110030322213102 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13852141 + ... + 24776760.

It is an arithmetic number, because the mean of its divisors is an integer number (3261051906840).

Almost surely, 2211003032221310 is an apocalyptic number.

211003032221310 is an abundant number, since it is smaller than the sum of its proper divisors (415118933891970).

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

211003032221310 is a wasteful number, since it uses less digits than its factorization.

211003032221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38629011 (or 38628974 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211003032221310 its reverse (13122230300112), we get a palindrome (224125262521422).

The spelling of 211003032221310 in words is "two hundred eleven trillion, three billion, thirty-two million, two hundred twenty-one thousand, three hundred ten".