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2102053200 = 24352131271061
BaseRepresentation
bin111110101001010…
…1100100101010000
312102111101100220020
41331102230211100
513301111200300
6544330143440
7103043104662
oct17522544520
95374340806
102102053200
11989610755
124a7b81b80
13276659580
1415d262532
15c48208a0
hex7d4ac950

2102053200 has 240 divisors, whose sum is σ = 7315531776. Its totient is φ = 512870400.

The previous prime is 2102053183. The next prime is 2102053207. The reversal of 2102053200 is 23502012.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2102053200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102053207) 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, 1980670 + ... + 1981730.

Almost surely, 22102053200 is an apocalyptic number.

2102053200 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 2102053200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3657765888).

2102053200 is an abundant number, since it is smaller than the sum of its proper divisors (5213478576).

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

2102053200 is a wasteful number, since it uses less digits than its factorization.

2102053200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2102053200 is about 45848.1537250956. The cubic root of 2102053200 is about 1280.9963758939.

Adding to 2102053200 its reverse (23502012), we get a palindrome (2125555212).

The spelling of 2102053200 in words is "two billion, one hundred two million, fifty-three thousand, two hundred".