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11304547920 = 243452237823
BaseRepresentation
bin10101000011100110…
…11011011001010000
31002011211111112110000
422201303123121100
5141122431013140
65105423410000
7550065033441
oct124163333120
932154445400
1011304547920
114881139196
122235a53900
1310b2058513
147935092c8
1546269aa30
hex2a1cdb650

11304547920 has 200 divisors, whose sum is σ = 39443475456. Its totient is φ = 3000644352.

The previous prime is 11304547889. The next prime is 11304547939. The reversal of 11304547920 is 2974540311.

11304547920 is a `hidden beast` number, since 1 + 130 + 454 + 79 + 2 + 0 = 666.

It is a super-3 number, since 3×113045479203 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1441129 + ... + 1448951.

Almost surely, 211304547920 is an apocalyptic number.

11304547920 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 11304547920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19721737728).

11304547920 is an abundant number, since it is smaller than the sum of its proper divisors (28138927536).

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

11304547920 is a wasteful number, since it uses less digits than its factorization.

11304547920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071 (or 8056 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 11304547920 in words is "eleven billion, three hundred four million, five hundred forty-seven thousand, nine hundred twenty".