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201020403013 = 17127191487477
BaseRepresentation
bin1011101100110110111…
…1111110110101000101
3201012212110100112021121
42323031233332311011
511243142210344023
6232203020513541
720344321142623
oct2731557766505
9635773315247
10201020403013
1178285860081
1232b613ab8b1
1315c57851041
149a2d820513
155367d35d5d
hex2ecdbfed45

201020403013 has 16 divisors (see below), whose sum is σ = 215644667904. Its totient is φ = 186722807040.

The previous prime is 201020402981. The next prime is 201020403037. The reversal of 201020403013 is 310304020102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201020403013 - 25 = 201020402981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020403083) 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, 168631 + ... + 656107.

It is an arithmetic number, because the mean of its divisors is an integer number (13477791744).

Almost surely, 2201020403013 is an apocalyptic number.

It is an amenable number.

201020403013 is a deficient number, since it is larger than the sum of its proper divisors (14624264891).

201020403013 is a wasteful number, since it uses less digits than its factorization.

201020403013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487812.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201020403013 its reverse (310304020102), we get a palindrome (511324423115).

The spelling of 201020403013 in words is "two hundred one billion, twenty million, four hundred three thousand, thirteen".

Divisors: 1 17 127 191 2159 3247 24257 412369 487477 8287109 61909579 93108107 1052462843 1582837819 11824729589 201020403013