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234110142221 = 1421591646819
BaseRepresentation
bin1101101000001000001…
…1010100011100001101
3211101021112112110001012
43122002003110130031
512313424144022341
6255314304455005
722625316242534
oct3320203243415
9741245473035
10234110142221
119031608798a
123945701a465
13190cc08a997
14b48c35131b
156152d2d0eb
hex36820d470d

234110142221 has 4 divisors (see below), whose sum is σ = 234111931200. Its totient is φ = 234108353244.

The previous prime is 234110142199. The next prime is 234110142257. The reversal of 234110142221 is 122241011432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234110142221 - 210 = 234110141197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234110112221) 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, 681251 + ... + 965568.

It is an arithmetic number, because the mean of its divisors is an integer number (58527982800).

Almost surely, 2234110142221 is an apocalyptic number.

It is an amenable number.

234110142221 is a deficient number, since it is larger than the sum of its proper divisors (1788979).

234110142221 is a wasteful number, since it uses less digits than its factorization.

234110142221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788978.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 234110142221 its reverse (122241011432), we get a palindrome (356351153653).

The spelling of 234110142221 in words is "two hundred thirty-four billion, one hundred ten million, one hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 142159 1646819 234110142221