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2145063160 = 235371449367
BaseRepresentation
bin111111111011011…
…0001000011111000
312112111022111110201
41333312301003320
513343114010120
6552504051544
7104104510312
oct17766610370
95474274421
102145063160
11a00917779
124ba463bb4
13282538156
14164c5a7b2
15c84b940a
hex7fdb10f8

2145063160 has 32 divisors (see below), whose sum is σ = 4956838560. Its totient is φ = 834834816.

The previous prime is 2145063143. The next prime is 2145063169. The reversal of 2145063160 is 613605412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145063169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723204 + ... + 726163.

It is an arithmetic number, because the mean of its divisors is an integer number (154901205).

Almost surely, 22145063160 is an apocalyptic number.

2145063160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145063160 is an abundant number, since it is smaller than the sum of its proper divisors (2811775400).

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

2145063160 is a wasteful number, since it uses less digits than its factorization.

2145063160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449415 (or 1449411 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2145063160 is about 46314.8265677418. The cubic root of 2145063160 is about 1289.6742482168.

Adding to 2145063160 its reverse (613605412), we get a palindrome (2758668572).

The spelling of 2145063160 in words is "two billion, one hundred forty-five million, sixty-three thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 1449367 2898734 5797468 7246835 11594936 14493670 28987340 53626579 57974680 107253158 214506316 268132895 429012632 536265790 1072531580 2145063160