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43213032200 = 23521376921613
BaseRepresentation
bin101000001111101100…
…101000101100001000
311010112120221111002002
4220033230220230020
51202000014012300
631503553130132
73056600466422
oct501754505410
9133476844062
1043213032200
11173656a2758
12845bb59948
1340c8934b50
14213d1c9812
1511cdb0b5d5
hexa0fb28b08

43213032200 has 96 divisors (see below), whose sum is σ = 108344497800. Its totient is φ = 15934095360.

The previous prime is 43213032197. The next prime is 43213032221. The reversal of 43213032200 is 223031234.

It can be written as a sum of positive squares in 12 ways, for example, as 5938551844 + 37274480356 = 77062^2 + 193066^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1988594 + ... + 2010206.

Almost surely, 243213032200 is an apocalyptic number.

43213032200 is a gapful number since it is divisible by the number (40) 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 43213032200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54172248900).

43213032200 is an abundant number, since it is smaller than the sum of its proper divisors (65131465600).

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

43213032200 is a wasteful number, since it uses less digits than its factorization.

43213032200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22411 (or 22402 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 43213032200 its reverse (223031234), we get a palindrome (43436063434).

The spelling of 43213032200 in words is "forty-three billion, two hundred thirteen million, thirty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 200 260 325 520 650 769 1300 1538 2600 3076 3845 6152 7690 9997 15380 19225 19994 21613 30760 38450 39988 43226 49985 76900 79976 86452 99970 108065 153800 172904 199940 216130 249925 280969 399880 432260 499850 540325 561938 864520 999700 1080650 1123876 1404845 1999400 2161300 2247752 2809690 4322600 5619380 7024225 11238760 14048450 16620397 28096900 33240794 56193800 66481588 83101985 132963176 166203970 216065161 332407940 415509925 432130322 664815880 831019850 864260644 1080325805 1662039700 1728521288 2160651610 3324079400 4321303220 5401629025 8642606440 10803258050 21606516100 43213032200