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1323142401 = 3763006781
BaseRepresentation
bin100111011011101…
…1000110100000001
310102012201121011010
41032313120310001
510202211024101
6335143311133
744534345010
oct11667306401
93365647133
101323142401
11619974519
1230b14b4a9
1318117b7c9
14c7a26a77
157b2622d6
hex4edd8d01

1323142401 has 8 divisors (see below), whose sum is σ = 2016217024. Its totient is φ = 756081360.

The previous prime is 1323142393. The next prime is 1323142421. The reversal of 1323142401 is 1042413231.

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

It is not a de Polignac number, because 1323142401 - 23 = 1323142393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 63006781 = 1323142401 / (1 + 3 + 2 + 3 + 1 + 4 + 2 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323142421) 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, 31503370 + ... + 31503411.

It is an arithmetic number, because the mean of its divisors is an integer number (252027128).

Almost surely, 21323142401 is an apocalyptic number.

It is an amenable number.

1323142401 is a deficient number, since it is larger than the sum of its proper divisors (693074623).

1323142401 is an equidigital number, since it uses as much as digits as its factorization.

1323142401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63006791.

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

The square root of 1323142401 is about 36375.0244123629. The cubic root of 1323142401 is about 1097.8310985018.

Adding to 1323142401 its reverse (1042413231), we get a palindrome (2365555632).

The spelling of 1323142401 in words is "one billion, three hundred twenty-three million, one hundred forty-two thousand, four hundred one".

Divisors: 1 3 7 21 63006781 189020343 441047467 1323142401