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1301442321 = 3735942659
BaseRepresentation
bin100110110010010…
…0110111100010001
310100200220010020110
41031210212330101
510131132123241
6333050231533
744152035324
oct11544467421
93320803213
101301442321
116086a2973
12303a255a9
1317982161a
14c4bb87bb
15793c7816
hex4d926f11

1301442321 has 8 divisors (see below), whose sum is σ = 1759027360. Its totient is φ = 855742752.

The previous prime is 1301442319. The next prime is 1301442347. The reversal of 1301442321 is 1232441031.

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

It is not a de Polignac number, because 1301442321 - 21 = 1301442319 is a prime.

It is a super-2 number, since 2×13014423212 = 3387504229779734082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301442301) 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, 2971111 + ... + 2971548.

It is an arithmetic number, because the mean of its divisors is an integer number (219878420).

Almost surely, 21301442321 is an apocalyptic number.

It is an amenable number.

1301442321 is a deficient number, since it is larger than the sum of its proper divisors (457585039).

1301442321 is an equidigital number, since it uses as much as digits as its factorization.

1301442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942735.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1301442321 is about 36075.5086034833. The cubic root of 1301442321 is about 1091.7963592344.

Adding to 1301442321 its reverse (1232441031), we get a palindrome (2533883352).

It can be divided in two parts, 130 and 1442321, that added together give a triangular number (1442451 = T1698).

The spelling of 1301442321 in words is "one billion, three hundred one million, four hundred forty-two thousand, three hundred twenty-one".

Divisors: 1 3 73 219 5942659 17827977 433814107 1301442321