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1321402242301 = 6148774441733
BaseRepresentation
bin10011001110101001101…
…101100001010011111101
311200022202210110000021221
4103032221231201103331
5133122212433223201
62451013243553341
7164316402510301
oct23165155412375
94608683400257
101321402242301
1146a449131649
1219411ab2b851
13977b915733b
1447d55ba7d01
152458cd2a4a1
hex133a9b614fd

1321402242301 has 8 divisors (see below), whose sum is σ = 1343340264024. Its totient is φ = 1299473113920.

The previous prime is 1321402242299. The next prime is 1321402242317. The reversal of 1321402242301 is 1032422041231.

It can be written as a sum of positive squares in 4 ways, for example, as 187251791076 + 1134150451225 = 432726^2 + 1064965^2 .

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 1321402242301 - 21 = 1321402242299 is a prime.

It is a super-2 number, since 2×13214022423012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321402242331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1923370 + ... + 2518363.

It is an arithmetic number, because the mean of its divisors is an integer number (167917533003).

Almost surely, 21321402242301 is an apocalyptic number.

It is an amenable number.

1321402242301 is a deficient number, since it is larger than the sum of its proper divisors (21938021723).

1321402242301 is an equidigital number, since it uses as much as digits as its factorization.

1321402242301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446671.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1321402242301 its reverse (1032422041231), we get a palindrome (2353824283532).

The spelling of 1321402242301 in words is "one trillion, three hundred twenty-one billion, four hundred two million, two hundred forty-two thousand, three hundred one".

Divisors: 1 61 4877 297497 4441733 270945713 21662331841 1321402242301