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2153239200 = 253452747101
BaseRepresentation
bin1000000001010111…
…1101001010100000
312120001200212220000
42000111331022200
513402212123300
6553355220000
7104234142210
oct20025751240
95501625800
102153239200
11a054a1532
12501147600
1328413b748
14165d88240
15c9081c00
hex8057d2a0

2153239200 has 720 divisors, whose sum is σ = 9255907584. Its totient is φ = 476928000.

The previous prime is 2153239157. The next prime is 2153239237. The reversal of 2153239200 is 29323512.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 21319150 + ... + 21319250.

Almost surely, 22153239200 is an apocalyptic number.

2153239200 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 2153239200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4627953792).

2153239200 is an abundant number, since it is smaller than the sum of its proper divisors (7102668384).

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

2153239200 is a wasteful number, since it uses less digits than its factorization.

2153239200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2153239200 is about 46403.0085231550. The cubic root of 2153239200 is about 1291.3107283325.

The spelling of 2153239200 in words is "two billion, one hundred fifty-three million, two hundred thirty-nine thousand, two hundred".