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213000233011231 = 10111831231782497
BaseRepresentation
bin110000011011100011111011…
…001110011100100000011111
31000221011121211110120210011111
4300123203323032130200133
5210404243434122324411
62033002542312202451
762602521223543231
oct6033437316344037
91027147743523144
10213000233011231
11619609896a2906
121ba80a57099427
1391b0ab32bc063
143a853a2982251
151995958e01721
hexc1b8fb39c81f

213000233011231 has 8 divisors (see below), whose sum is σ = 215109448702704. Its totient is φ = 210891023251200.

The previous prime is 213000233011213. The next prime is 213000233011259. The reversal of 213000233011231 is 132110332000312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213000233011231 - 217 = 213000232880159 is a prime.

It is a super-2 number, since 2×2130002330112312 (a number of 29 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 (213000233011031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118604175 + ... + 120386671.

It is an arithmetic number, because the mean of its divisors is an integer number (26888681087838).

Almost surely, 2213000233011231 is an apocalyptic number.

213000233011231 is a deficient number, since it is larger than the sum of its proper divisors (2109215691473).

213000233011231 is a wasteful number, since it uses less digits than its factorization.

213000233011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965721.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213000233011231 its reverse (132110332000312), we get a palindrome (345110565011543).

The spelling of 213000233011231 in words is "two hundred thirteen trillion, two hundred thirty-three million, eleven thousand, two hundred thirty-one".

Divisors: 1 101 1183123 1782497 119495423 180032197 2108913198131 213000233011231