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4161143200 = 255215973257
BaseRepresentation
bin1111100000000110…
…0000000110100000
3101201222220222100211
43320001200012200
532010223040300
61524523423504
7205055063554
oct37001400640
911658828324
104161143200
111845947525
12981684b94
13514122616
142b68dd864
151954a64ba
hexf80601a0

4161143200 has 72 divisors (see below), whose sum is σ = 10167872652. Its totient is φ = 1662904320.

The previous prime is 4161143191. The next prime is 4161143219. The reversal of 4161143200 is 23411614.

It can be written as a sum of positive squares in 6 ways, for example, as 1651934736 + 2509208464 = 40644^2 + 50092^2 .

It is a super-2 number, since 2×41611432002 = 34630225461812480000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1275972 + ... + 1279228.

Almost surely, 24161143200 is an apocalyptic number.

4161143200 is a gapful number since it is divisible by the number (40) 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 4161143200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5083936326).

4161143200 is an abundant number, since it is smaller than the sum of its proper divisors (6006729452).

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

4161143200 is a wasteful number, since it uses less digits than its factorization.

4161143200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874 (or 4861 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4161143200 is about 64506.9236594026. The cubic root of 4161143200 is about 1608.4376134581.

Adding to 4161143200 its reverse (23411614), we get a palindrome (4184554814).

The spelling of 4161143200 in words is "four billion, one hundred sixty-one million, one hundred forty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1597 3194 3257 6388 6514 7985 12776 13028 15970 16285 25552 26056 31940 32570 39925 51104 52112 63880 65140 79850 81425 104224 127760 130280 159700 162850 255520 260560 319400 325700 521120 638800 651400 1277600 1302800 2605600 5201429 10402858 20805716 26007145 41611432 52014290 83222864 104028580 130035725 166445728 208057160 260071450 416114320 520142900 832228640 1040285800 2080571600 4161143200