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13442252200 = 2352135397549
BaseRepresentation
bin11001000010011100…
…00111110110101000
31021200210222011102121
430201032013312220
5210012204032300
610101510041024
7654053154436
oct144116076650
937623864377
1013442252200
11577888a043
122731949174
131362bb7cb0
149173abd56
1553a1ae81a
hex321387da8

13442252200 has 96 divisors (see below), whose sum is σ = 34292727000. Its totient is φ = 4869596160.

The previous prime is 13442252171. The next prime is 13442252207. The reversal of 13442252200 is 225224431.

It can be written as a sum of positive squares in 12 ways, for example, as 17322244 + 13424929956 = 4162^2 + 115866^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (13442252207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89026 + ... + 186574.

Almost surely, 213442252200 is an apocalyptic number.

13442252200 is a gapful number since it is divisible by the number (10) 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 13442252200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17146363500).

13442252200 is an abundant number, since it is smaller than the sum of its proper divisors (20850474800).

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

13442252200 is a wasteful number, since it uses less digits than its factorization.

13442252200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97631 (or 97622 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 13442252200 its reverse (225224431), we get a palindrome (13667476631).

The spelling of 13442252200 in words is "thirteen billion, four hundred forty-two million, two hundred fifty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 53 65 100 104 106 130 200 212 260 265 325 424 520 530 650 689 1060 1300 1325 1378 2120 2600 2650 2756 3445 5300 5512 6890 10600 13780 17225 27560 34450 68900 97549 137800 195098 390196 487745 780392 975490 1268137 1950980 2438725 2536274 3901960 4877450 5072548 5170097 6340685 9754900 10145096 10340194 12681370 19509800 20680388 25362740 25850485 31703425 41360776 50725480 51700970 63406850 67211261 103401940 126813700 129252425 134422522 206803880 253627400 258504850 268845044 336056305 517009700 537690088 672112610 1034019400 1344225220 1680281525 2688450440 3360563050 6721126100 13442252200