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2111430300 = 22352741137179
BaseRepresentation
bin111110111011001…
…1101111010011100
312110011000202212020
41331312131322130
513311011232200
6545303140140
7103215601320
oct17566357234
95404022766
102111430300
11993935921
124ab144650
13278590755
141605c3980
15c5573ea0
hex7dd9de9c

2111430300 has 288 divisors, whose sum is σ = 7244536320. Its totient is φ = 464793600.

The previous prime is 2111430287. The next prime is 2111430301. The reversal of 2111430300 is 30341112.

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 2111430300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111430301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11795611 + ... + 11795789.

It is an arithmetic number, because the mean of its divisors is an integer number (25154640).

Almost surely, 22111430300 is an apocalyptic number.

2111430300 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 2111430300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3622268160).

2111430300 is an abundant number, since it is smaller than the sum of its proper divisors (5133106020).

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

2111430300 is a wasteful number, since it uses less digits than its factorization.

2111430300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2111430300 is about 45950.3025017246. The cubic root of 2111430300 is about 1282.8983597359.

Adding to 2111430300 its reverse (30341112), we get a palindrome (2141771412).

The spelling of 2111430300 in words is "two billion, one hundred eleven million, four hundred thirty thousand, three hundred".