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12485827600 = 24523721512
BaseRepresentation
bin10111010000011011…
…01001110000010000
31012020011021202112021
423220031221300100
5201032332440400
65422542341224
7621260532511
oct135015516020
935204252467
1012485827600
115327a19094
12250558a814
13123c9c6b8c
14866364a08
154d123971a
hex2e8369c10

12485827600 has 135 divisors (see below), whose sum is σ = 31035371031. Its totient is φ = 4827168000.

The previous prime is 12485827597. The next prime is 12485827661. The reversal of 12485827600 is 672858421.

It is a happy number.

The square root of 12485827600 is 111740.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1185287184 + 11300540416 = 34428^2 + 106304^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 82687525 + ... + 82687675.

Almost surely, 212485827600 is an apocalyptic number.

12485827600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12485827600 is the 111740-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12485827600

12485827600 is an abundant number, since it is smaller than the sum of its proper divisors (18549543431).

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

12485827600 is an equidigital number, since it uses as much as digits as its factorization.

12485827600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 12485827600 in words is "twelve billion, four hundred eighty-five million, eight hundred twenty-seven thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 37 40 50 74 80 100 148 151 185 200 296 302 370 400 592 604 740 755 925 1208 1369 1480 1510 1850 2416 2738 2960 3020 3700 3775 5476 5587 6040 6845 7400 7550 10952 11174 12080 13690 14800 15100 21904 22348 22801 27380 27935 30200 34225 44696 45602 54760 55870 60400 68450 89392 91204 109520 111740 114005 136900 139675 182408 206719 223480 228010 273800 279350 364816 413438 446960 456020 547600 558700 570025 826876 843637 912040 1033595 1117400 1140050 1653752 1687274 1824080 2067190 2234800 2280100 3307504 3374548 4134380 4218185 4560200 5167975 6749096 8268760 8436370 9120400 10335950 13498192 16537520 16872740 20671900 21090925 31214569 33745480 41343800 42181850 62429138 67490960 82687600 84363700 124858276 156072845 168727400 249716552 312145690 337454800 499433104 624291380 780364225 1248582760 1560728450 2497165520 3121456900 6242913800 12485827600