Search a number
-
+
2112413200 = 2452172411289
BaseRepresentation
bin111110111101000…
…1101111000010000
312110012212201010221
41331322031320100
513311234210300
6545340202424
7103230134032
oct17572157020
95405781127
102112413200
11994447337
124ab539414
13278845c51
1416079bc52
15c56ba31a
hex7de8de10

2112413200 has 120 divisors (see below), whose sum is σ = 5400089640. Its totient is φ = 791347200.

The previous prime is 2112413119. The next prime is 2112413201. The reversal of 2112413200 is 23142112.

It can be written as a sum of positive squares in 12 ways, for example, as 15872256 + 2096540944 = 3984^2 + 45788^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2112413201) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1638156 + ... + 1639444.

It is an arithmetic number, because the mean of its divisors is an integer number (45000747).

Almost surely, 22112413200 is an apocalyptic number.

2112413200 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 2112413200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2700044820).

2112413200 is an abundant number, since it is smaller than the sum of its proper divisors (3287676440).

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

2112413200 is a wasteful number, since it uses less digits than its factorization.

2112413200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2112413200 is about 45960.9965079087. The cubic root of 2112413200 is about 1283.0973978293.

Adding to 2112413200 its reverse (23142112), we get a palindrome (2135555312).

The spelling of 2112413200 in words is "two billion, one hundred twelve million, four hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 136 170 200 241 272 340 400 425 482 680 850 964 1205 1289 1360 1700 1928 2410 2578 3400 3856 4097 4820 5156 6025 6445 6800 8194 9640 10312 12050 12890 16388 19280 20485 20624 21913 24100 25780 32225 32776 40970 43826 48200 51560 64450 65552 81940 87652 96400 102425 103120 109565 128900 163880 175304 204850 219130 257800 310649 327760 350608 409700 438260 515600 547825 621298 819400 876520 1095650 1242596 1553245 1638800 1753040 2191300 2485192 3106490 4382600 4970384 5281033 6212980 7766225 8765200 10562066 12425960 15532450 21124132 24851920 26405165 31064900 42248264 52810330 62129800 84496528 105620660 124259600 132025825 211241320 264051650 422482640 528103300 1056206600 2112413200