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220055202445 = 51331310816181
BaseRepresentation
bin1100110011110001001…
…1111110101010001101
3210001000000200112021011
43030330103332222031
512101133112434240
6245031510405221
721620113233661
oct3147423765215
9701000615234
10220055202445
1185363474681
1236794060811
131799c284180
14a9178568a1
155acde966ea
hex333c4fea8d

220055202445 has 16 divisors (see below), whose sum is σ = 285287616432. Its totient is φ = 161983111680.

The previous prime is 220055202413. The next prime is 220055202449. The reversal of 220055202445 is 544202550022.

It can be written as a sum of positive squares in 8 ways, for example, as 113635061604 + 106420140841 = 337098^2 + 326221^2 .

It is not a de Polignac number, because 220055202445 - 25 = 220055202413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220055202449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5387746 + ... + 5428435.

It is an arithmetic number, because the mean of its divisors is an integer number (17830476027).

Almost surely, 2220055202445 is an apocalyptic number.

It is an amenable number.

220055202445 is a deficient number, since it is larger than the sum of its proper divisors (65232413987).

220055202445 is a wasteful number, since it uses less digits than its factorization.

220055202445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10816512.

The product of its (nonzero) digits is 32000, while the sum is 31.

Adding to 220055202445 its reverse (544202550022), we get a palindrome (764257752467).

It can be divided in two parts, 220055 and 202445, that added together give a square (422500 = 6502).

The spelling of 220055202445 in words is "two hundred twenty billion, fifty-five million, two hundred two thousand, four hundred forty-five".

Divisors: 1 5 13 65 313 1565 4069 20345 10816181 54080905 140610353 703051765 3385464653 16927323265 44011040489 220055202445