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204200440012 = 22190391268133
BaseRepresentation
bin1011111000101101001…
…0110111000011001100
3201112002002011010221201
42332023102313003030
511321200303040022
6233450340035244
720516164046542
oct2761322670314
9645062133851
10204200440012
1179667908a28
12336aa392b24
131634362023a
149c51ccdd92
1554a20de127
hex2f8b4b70cc

204200440012 has 12 divisors (see below), whose sum is σ = 357353979696. Its totient is φ = 102099302960.

The previous prime is 204200440009. The next prime is 204200440019. The reversal of 204200440012 is 210044002402.

It is not an unprimeable number, because it can be changed into a prime (204200440019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627498 + ... + 895630.

It is an arithmetic number, because the mean of its divisors is an integer number (29779498308).

Almost surely, 2204200440012 is an apocalyptic number.

It is an amenable number.

204200440012 is a deficient number, since it is larger than the sum of its proper divisors (153153539684).

204200440012 is a wasteful number, since it uses less digits than its factorization.

204200440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458528 (or 458526 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 204200440012 its reverse (210044002402), we get a palindrome (414244442414).

The spelling of 204200440012 in words is "two hundred four billion, two hundred million, four hundred forty thousand, twelve".

Divisors: 1 2 4 190391 268133 380782 536266 761564 1072532 51050110003 102100220006 204200440012