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4142321231 = 229162111159
BaseRepresentation
bin1111011011100110…
…1100111001001111
3101200200111201110212
43312321230321033
531440413234411
61523012153035
7204436102166
oct36671547117
911620451425
104142321231
111836261284
1297730877b
13510262469
142b42003dd
151939d968b
hexf6e6ce4f

4142321231 has 8 divisors (see below), whose sum is σ = 4163349600. Its totient is φ = 4121318880.

The previous prime is 4142321219. The next prime is 4142321237. The reversal of 4142321231 is 1321232414.

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 4142321231 - 218 = 4142059087 is a prime.

It is a super-2 number, since 2×41423212312 = 34317650361586710722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4142321197 and 4142321206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142321237) 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, 365630 + ... + 376788.

It is an arithmetic number, because the mean of its divisors is an integer number (520418700).

Almost surely, 24142321231 is an apocalyptic number.

4142321231 is a deficient number, since it is larger than the sum of its proper divisors (21028369).

4142321231 is a wasteful number, since it uses less digits than its factorization.

4142321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13009.

The product of its digits is 1152, while the sum is 23.

The square root of 4142321231 is about 64360.8672331254. The cubic root of 4142321231 is about 1606.0088158697.

Adding to 4142321231 its reverse (1321232414), we get a palindrome (5463553645).

The spelling of 4142321231 in words is "four billion, one hundred forty-two million, three hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 229 1621 11159 371209 2555411 18088739 4142321231