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2125710380 = 225971095727
BaseRepresentation
bin111111010110011…
…1100010000101100
312111010220021110002
41332230330100230
513323140213010
6550533203432
7103451145233
oct17654742054
95433807402
102125710380
119a09a9742
124b3a90578
1327b5204c1
1416245db1a
15c69451a5
hex7eb3c42c

2125710380 has 24 divisors (see below), whose sum is σ = 4510016448. Its totient is φ = 841517568.

The previous prime is 2125710271. The next prime is 2125710403. The reversal of 2125710380 is 830175212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545924 + ... + 549803.

It is an arithmetic number, because the mean of its divisors is an integer number (187917352).

Almost surely, 22125710380 is an apocalyptic number.

2125710380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125710380 is an abundant number, since it is smaller than the sum of its proper divisors (2384306068).

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

2125710380 is a wasteful number, since it uses less digits than its factorization.

2125710380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095833 (or 1095831 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2125710380 is about 46105.4267955520. The cubic root of 2125710380 is about 1285.7840410949.

Adding to 2125710380 its reverse (830175212), we get a palindrome (2955885592).

The spelling of 2125710380 in words is "two billion, one hundred twenty-five million, seven hundred ten thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 1095727 2191454 4382908 5478635 10957270 21914540 106285519 212571038 425142076 531427595 1062855190 2125710380