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211025031224 = 2373768304129
BaseRepresentation
bin1100010010001000010…
…0100111000000111000
3202011200200211022010012
43010202010213000320
511424134401444344
6240535450441052
721150253112120
oct3044204470070
9664620738105
10211025031224
118154a146357
1234a93a33188
1316b9049bca7
14a2dc429c80
15575130a29e
hex3122127038

211025031224 has 16 divisors (see below), whose sum is σ = 452196495600. Its totient is φ = 90439299072.

The previous prime is 211025031223. The next prime is 211025031253. The reversal of 211025031224 is 422130520112.

It is a self number, because there is not a number n which added to its sum of digits gives 211025031224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211025031223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884152009 + ... + 1884152120.

It is an arithmetic number, because the mean of its divisors is an integer number (28262280975).

Almost surely, 2211025031224 is an apocalyptic number.

It is an amenable number.

211025031224 is an abundant number, since it is smaller than the sum of its proper divisors (241171464376).

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

211025031224 is a wasteful number, since it uses less digits than its factorization.

211025031224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768304142 (or 3768304138 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 211025031224 its reverse (422130520112), we get a palindrome (633155551336).

The spelling of 211025031224 in words is "two hundred eleven billion, twenty-five million, thirty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 3768304129 7536608258 15073216516 26378128903 30146433032 52756257806 105512515612 211025031224