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1304400242443 = 15720983395953
BaseRepresentation
bin10010111110110100010…
…100000010011100001011
311121200212220011221002111
4102332310110002130023
5132332402430224233
62435122212043151
7163145153056504
oct22766424023413
94550786157074
101304400242443
11463213a274a1
121909750034b7
13960099138ac
14471c1b27bab
1523de53aaacd
hex12fb450270b

1304400242443 has 8 divisors (see below), whose sum is σ = 1312774400288. Its totient is φ = 1296026918784.

The previous prime is 1304400242399. The next prime is 1304400242491. The reversal of 1304400242443 is 3442420044031.

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 1304400242443 - 213 = 1304400234251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304400252443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096355 + ... + 3492307.

It is an arithmetic number, because the mean of its divisors is an integer number (164096800036).

Almost surely, 21304400242443 is an apocalyptic number.

1304400242443 is a deficient number, since it is larger than the sum of its proper divisors (8374157845).

1304400242443 is a wasteful number, since it uses less digits than its factorization.

1304400242443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417093.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 1304400242443 its reverse (3442420044031), we get a palindrome (4746820286474).

The spelling of 1304400242443 in words is "one trillion, three hundred four billion, four hundred million, two hundred forty-two thousand, four hundred forty-three".

Divisors: 1 157 20983 395953 3294331 62164621 8308281799 1304400242443