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203211411412 = 22172988403109
BaseRepresentation
bin1011110101000001011…
…0000000111111010100
3201102112011010021202211
42331100112000333110
511312134110131122
6233204245443204
720452524332332
oct2752026007724
9642464107684
10203211411412
11791aa5a9119
1233473110504
1316216754b09
149b9a7dab52
155445378877
hex2f50580fd4

203211411412 has 12 divisors (see below), whose sum is σ = 376538791860. Its totient is φ = 95628899456.

The previous prime is 203211411407. The next prime is 203211411419. The reversal of 203211411412 is 214114112302.

It can be written as a sum of positive squares in 2 ways, for example, as 74727876496 + 128483534916 = 273364^2 + 358446^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203211411419) 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, 1494201487 + ... + 1494201622.

It is an arithmetic number, because the mean of its divisors is an integer number (31378232655).

Almost surely, 2203211411412 is an apocalyptic number.

It is an amenable number.

203211411412 is a deficient number, since it is larger than the sum of its proper divisors (173327380448).

203211411412 is a wasteful number, since it uses less digits than its factorization.

203211411412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988403130 (or 2988403128 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 203211411412 its reverse (214114112302), we get a palindrome (417325523714).

The spelling of 203211411412 in words is "two hundred three billion, two hundred eleven million, four hundred eleven thousand, four hundred twelve".

Divisors: 1 2 4 17 34 68 2988403109 5976806218 11953612436 50802852853 101605705706 203211411412