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40243140200 = 2352201215701
BaseRepresentation
bin100101011110101011…
…011001011001101000
310211212121120100011002
4211132223121121220
51124404220441300
630253142054132
72623156022234
oct453653313150
9124777510132
1040243140200
111608122695a
12797141a348
133a445627c3
141d3a9bd5c4
1510a80135d5
hex95ead9668

40243140200 has 24 divisors (see below), whose sum is σ = 93565301430. Its totient is φ = 16097256000.

The previous prime is 40243140191. The next prime is 40243140221. The reversal of 40243140200 is 204134204.

It can be written as a sum of positive squares in 3 ways, for example, as 32136298756 + 8106841444 = 179266^2 + 90038^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100607651 + ... + 100608050.

Almost surely, 240243140200 is an apocalyptic number.

40243140200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40243140200 is an abundant number, since it is smaller than the sum of its proper divisors (53322161230).

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

40243140200 is a wasteful number, since it uses less digits than its factorization.

40243140200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201215717 (or 201215708 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40243140200 its reverse (204134204), we get a palindrome (40447274404).

The spelling of 40243140200 in words is "forty billion, two hundred forty-three million, one hundred forty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 201215701 402431402 804862804 1006078505 1609725608 2012157010 4024314020 5030392525 8048628040 10060785050 20121570100 40243140200