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1331200200 = 23352111011997
BaseRepresentation
bin100111101011000…
…1000000011001000
310102202212222101010
41033112020003020
510211241401300
6340032123520
744663005101
oct11726100310
93382788333
101331200200
11623478460
123119965a0
13182a40335
14c8b233a8
157bd04a50
hex4f5880c8

1331200200 has 192 divisors, whose sum is σ = 4548726720. Its totient is φ = 319360000.

The previous prime is 1331200163. The next prime is 1331200207. The reversal of 1331200200 is 20021331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1331200207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 665602 + ... + 667598.

It is an arithmetic number, because the mean of its divisors is an integer number (23691285).

Almost surely, 21331200200 is an apocalyptic number.

1331200200 is a gapful number since it is divisible by the number (10) 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 1331200200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274363360).

1331200200 is an abundant number, since it is smaller than the sum of its proper divisors (3217526520).

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

1331200200 is a wasteful number, since it uses less digits than its factorization.

1331200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1331200200 is about 36485.6163439786. The cubic root of 1331200200 is about 1100.0551487502.

Adding to 1331200200 its reverse (20021331), we get a palindrome (1351221531).

It can be divided in two parts, 13 and 31200200, that added together give a palindrome (31200213).

The spelling of 1331200200 in words is "one billion, three hundred thirty-one million, two hundred thousand, two hundred".