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2124530320 = 245112414239
BaseRepresentation
bin111111010100001…
…1100001010010000
312111001200022201011
41332220130022100
513322334432240
6550452020304
7103435131643
oct17650341220
95431608634
102124530320
119a0273090
124b3601694
1327b1c9343
14162233a5a
15c67b06ea
hex7ea1c290

2124530320 has 40 divisors (see below), whose sum is σ = 5388583680. Its totient is φ = 772556160.

The previous prime is 2124530293. The next prime is 2124530321. The reversal of 2124530320 is 230354212.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2124530291 and 2124530300.

It is not an unprimeable number, because it can be changed into a prime (2124530321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206240 + ... + 1207999.

It is an arithmetic number, because the mean of its divisors is an integer number (134714592).

Almost surely, 22124530320 is an apocalyptic number.

2124530320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124530320 is an abundant number, since it is smaller than the sum of its proper divisors (3264053360).

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

2124530320 is a wasteful number, since it uses less digits than its factorization.

2124530320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414263 (or 2414257 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2124530320 is about 46092.6276100636. The cubic root of 2124530320 is about 1285.5460683860.

Adding to 2124530320 its reverse (230354212), we get a palindrome (2354884532).

The spelling of 2124530320 in words is "two billion, one hundred twenty-four million, five hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 2414239 4828478 9656956 12071195 19313912 24142390 26556629 38627824 48284780 53113258 96569560 106226516 132783145 193139120 212453032 265566290 424906064 531132580 1062265160 2124530320