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201020210011 = 73137148913499
BaseRepresentation
bin1011101100110110111…
…1001111101101011011
3201012212102222201112101
42323031233033231123
511243142133210021
6232203012424231
720344316410135
oct2731557175533
9635772881471
10201020210011
1178285739075
1232b61318077
1315c577b423a
149a2d7b0055
155367ce8a91
hex2ecdbcfb5b

201020210011 has 16 divisors (see below), whose sum is σ = 205414380000. Its totient is φ = 196672555008.

The previous prime is 201020209919. The next prime is 201020210047. The reversal of 201020210011 is 110012020102.

It is a cyclic number.

It is not a de Polignac number, because 201020210011 - 225 = 200986655579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201020210011.

It is not an unprimeable number, because it can be changed into a prime (201020210051) 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, 14884740 + ... + 14898238.

It is an arithmetic number, because the mean of its divisors is an integer number (12838398750).

Almost surely, 2201020210011 is an apocalyptic number.

201020210011 is a deficient number, since it is larger than the sum of its proper divisors (4394169989).

201020210011 is a wasteful number, since it uses less digits than its factorization.

201020210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15198.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201020210011 its reverse (110012020102), we get a palindrome (311032230113).

The spelling of 201020210011 in words is "two hundred one billion, twenty million, two hundred ten thousand, eleven".

Divisors: 1 73 137 1489 10001 13499 108697 203993 985427 1849363 14891489 20100011 135003499 1467300803 2753701507 201020210011