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420204042200 = 23523115967429
BaseRepresentation
bin1100001110101100001…
…11001101011111011000
31111011121202001001112002
412013112013031133120
523341034213322300
6521012234540132
742234022266065
oct6072607153730
91434552031462
10420204042200
11152231255338
1269531597648
13308183870b7
14164a35ddc6c
15ade551b5d5
hex61d61cd7d8

420204042200 has 48 divisors (see below), whose sum is σ = 977020242000. Its totient is φ = 168073729920.

The previous prime is 420204042187. The next prime is 420204042221. The reversal of 420204042200 is 2240402024.

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 11 ways as a sum of consecutive naturals, for example, 6198086 + ... + 6265514.

It is an arithmetic number, because the mean of its divisors is an integer number (20354588375).

Almost surely, 2420204042200 is an apocalyptic number.

420204042200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420204042200 is an abundant number, since it is smaller than the sum of its proper divisors (556816199800).

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

420204042200 is a wasteful number, since it uses less digits than its factorization.

420204042200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98604 (or 98595 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 420204042200 its reverse (2240402024), we get a palindrome (422444444224).

The spelling of 420204042200 in words is "four hundred twenty billion, two hundred four million, forty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 31159 62318 67429 124636 134858 155795 249272 269716 311590 337145 539432 623180 674290 778975 1246360 1348580 1557950 1685725 2697160 3115900 3371450 6231800 6742900 13485800 2101020211 4202040422 8404080844 10505101055 16808161688 21010202110 42020404220 52525505275 84040808440 105051010550 210102021100 420204042200