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2011032023231 = 711137190637219
BaseRepresentation
bin11101010000111010110…
…110010111000010111111
321010020211021112200211002
4131100322312113002333
5230422043144220411
64135504431320515
7265202151104060
oct35207266270277
97106737480732
102011032023231
11705968171160
1228590268013b
13117840cc187a
146d497ad8567
15374a179533b
hex1d43ad970bf

2011032023231 has 16 divisors (see below), whose sum is σ = 2525561890560. Its totient is φ = 1555599698880.

The previous prime is 2011032023201. The next prime is 2011032023257. The reversal of 2011032023231 is 1323202301102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2011032023231 is a prime.

It is a super-2 number, since 2×20110320232312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011032023201) 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, 95308061 + ... + 95329158.

It is an arithmetic number, because the mean of its divisors is an integer number (157847618160).

Almost surely, 22011032023231 is an apocalyptic number.

2011032023231 is a deficient number, since it is larger than the sum of its proper divisors (514529867329).

2011032023231 is a wasteful number, since it uses less digits than its factorization.

2011032023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190637374.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2011032023231 its reverse (1323202301102), we get a palindrome (3334234324333).

The spelling of 2011032023231 in words is "two trillion, eleven billion, thirty-two million, twenty-three thousand, two hundred thirty-one".

Divisors: 1 7 11 77 137 959 1507 10549 190637219 1334460533 2097009409 14679065863 26117299003 182821093021 287290289033 2011032023231