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1330291200 = 2935273101
BaseRepresentation
bin100111101001010…
…1010001000000000
310102201011210110110
41033102222020000
510211023304300
6340000431320
744652201000
oct11722521000
93381153413
101330291200
11622a07517
12311618540
131827b2674
14c8968000
157bbc5550
hex4f4aa200

1330291200 has 480 divisors, whose sum is σ = 5175561600. Its totient is φ = 301056000.

The previous prime is 1330291139. The next prime is 1330291211. The reversal of 1330291200 is 21920331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13171150 + ... + 13171250.

It is an arithmetic number, because the mean of its divisors is an integer number (10782420).

Almost surely, 21330291200 is an apocalyptic number.

1330291200 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 1330291200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587780800).

1330291200 is an abundant number, since it is smaller than the sum of its proper divisors (3845270400).

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

1330291200 is an equidigital number, since it uses as much as digits as its factorization.

1330291200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1330291200 is about 36473.1572529717. The cubic root of 1330291200 is about 1099.8047036207.

The spelling of 1330291200 in words is "one billion, three hundred thirty million, two hundred ninety-one thousand, two hundred".