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12430341200 = 245231075853
BaseRepresentation
bin10111001001110011…
…11111010001010000
31012002021212202111102
423210321333101100
5200424131404300
65413241203532
7620015104544
oct134471772120
935067782442
1012430341200
1152a9670362
1224aaa905a8
13123136a4a4
1485cc3da24
154cb4290d5
hex2e4e7f450

12430341200 has 30 divisors (see below), whose sum is σ = 29863895694. Its totient is φ = 4972136320.

The previous prime is 12430341181. The next prime is 12430341233. The reversal of 12430341200 is 214303421.

It can be written as a sum of positive squares in 3 ways, for example, as 1658944 + 12428682256 = 1288^2 + 111484^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15537527 + ... + 15538326.

Almost surely, 212430341200 is an apocalyptic number.

12430341200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430341200 is an abundant number, since it is smaller than the sum of its proper divisors (17433554494).

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

12430341200 is a wasteful number, since it uses less digits than its factorization.

12430341200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31075871 (or 31075860 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12430341200 its reverse (214303421), we get a palindrome (12644644621).

The spelling of 12430341200 in words is "twelve billion, four hundred thirty million, three hundred forty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 31075853 62151706 124303412 155379265 248606824 310758530 497213648 621517060 776896325 1243034120 1553792650 2486068240 3107585300 6215170600 12430341200