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234133044221 = 1729474914897
BaseRepresentation
bin1101101000001101101…
…0101011101111111101
3211101100010121222200102
43122003122223233331
512314001024403341
6255320443410445
722626015016316
oct3320332535775
9741303558612
10234133044221
1190327aaa55a
1239462823a25
1319103a48c6b
14b4913d360d
156154d53c9b
hex36836abbfd

234133044221 has 8 divisors (see below), whose sum is σ = 256454044920. Its totient is φ = 212761873408.

The previous prime is 234133044203. The next prime is 234133044241. The reversal of 234133044221 is 122440331432.

It can be written as a sum of positive squares in 4 ways, for example, as 74141844100 + 159991200121 = 272290^2 + 399989^2 .

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 234133044221 - 210 = 234133043197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 (234133044241) 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, 237456956 + ... + 237457941.

It is an arithmetic number, because the mean of its divisors is an integer number (32056755615).

Almost surely, 2234133044221 is an apocalyptic number.

It is an amenable number.

234133044221 is a deficient number, since it is larger than the sum of its proper divisors (22321000699).

234133044221 is a wasteful number, since it uses less digits than its factorization.

234133044221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474914943.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 234133044221 its reverse (122440331432), we get a palindrome (356573375653).

The spelling of 234133044221 in words is "two hundred thirty-four billion, one hundred thirty-three million, forty-four thousand, two hundred twenty-one".

Divisors: 1 17 29 493 474914897 8073553249 13772532013 234133044221