Base | Representation |
---|---|
bin | 10111111101101… |
… | …01001111111100 |
3 | 112000020220011110 |
4 | 23332311033330 |
5 | 402430123122 |
6 | 31540322020 |
7 | 4660434225 |
oct | 1376651774 |
9 | 460226143 |
10 | 201020412 |
11 | a351a67a |
12 | 573a3310 |
13 | 328538b8 |
14 | 1c9aa24c |
15 | 129ab90c |
hex | bfb53fc |
201020412 has 12 divisors (see below), whose sum is σ = 469047656. Its totient is φ = 67006800.
The previous prime is 201020377. The next prime is 201020419. The reversal of 201020412 is 214020102.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 16751701 = 201020412 / (2 + 0 + 1 + 0 + 2 + 0 + 4 + 1 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201020419) 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, 8375839 + ... + 8375862.
Almost surely, 2201020412 is an apocalyptic number.
It is an amenable number.
201020412 is an abundant number, since it is smaller than the sum of its proper divisors (268027244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201020412 is a wasteful number, since it uses less digits than its factorization.
201020412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16751708 (or 16751706 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 201020412 is about 14178.1667362181. The cubic root of 201020412 is about 585.7964285689.
Adding to 201020412 its reverse (214020102), we get a palindrome (415040514).
It can be divided in two parts, 2010 and 20412, that added together give a palindrome (22422).
The spelling of 201020412 in words is "two hundred one million, twenty thousand, four hundred twelve".
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