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211023103200 = 253527134672069
BaseRepresentation
bin1100010010000111110…
…1010000010011100000
3202011200120012100100220
43010201331100103200
511424133403300300
6240535341243040
721150230532060
oct3044175202340
9664616170326
10211023103200
1181549049848
1234a93263480
1316b8cc75550
14a2dc0873a0
155751078da0
hex3121f504e0

211023103200 has 576 divisors, whose sum is σ = 847610749440. Its totient is φ = 44406743040.

The previous prime is 211023103177. The next prime is 211023103217. The reversal of 211023103200 is 2301320112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211023103200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101991766 + ... + 101993834.

It is an arithmetic number, because the mean of its divisors is an integer number (1471546440).

Almost surely, 2211023103200 is an apocalyptic number.

211023103200 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 211023103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423805374720).

211023103200 is an abundant number, since it is smaller than the sum of its proper divisors (636587646240).

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

211023103200 is a wasteful number, since it uses less digits than its factorization.

211023103200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 211023103200 its reverse (2301320112), we get a palindrome (213324423312).

The spelling of 211023103200 in words is "two hundred eleven billion, twenty-three million, one hundred three thousand, two hundred".