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2195140500 = 22355372989
BaseRepresentation
bin1000001011010111…
…0010111110010100
312122222112200200000
42002311302332110
513443423444000
61001453251300
7105253246350
oct20265627624
95588480600
102195140500
11a27110603
12513193b30
1328ca1c807
1416b774460
15ccaac000
hex82d72f94

2195140500 has 576 divisors, whose sum is σ = 8585740800. Its totient is φ = 479001600.

The previous prime is 2195140481. The next prime is 2195140523. The reversal of 2195140500 is 50415912.

2195140500 is a `hidden beast` number, since 2 + 19 + 5 + 140 + 500 = 666.

2195140500 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 24664456 + ... + 24664544.

It is an arithmetic number, because the mean of its divisors is an integer number (14905800).

Almost surely, 22195140500 is an apocalyptic number.

2195140500 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 2195140500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4292870400).

2195140500 is an abundant number, since it is smaller than the sum of its proper divisors (6390600300).

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

2195140500 is a wasteful number, since it uses less digits than its factorization.

2195140500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2195140500 is about 46852.3265164068. The cubic root of 2195140500 is about 1299.6331311909.

The spelling of 2195140500 in words is "two billion, one hundred ninety-five million, one hundred forty thousand, five hundred".