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1304440220013 = 3764763959131
BaseRepresentation
bin10010111110110110101…
…100100010100101101101
311121200222200102000000020
4102332312230202211231
5132332443144020023
62435130200552353
7163146146632260
oct22766654424555
94550880360006
101304440220013
11463234552207
121909864826b9
1396014ca0168
14471c7172cd7
1523de8b55de3
hex12fb6b2296d

1304440220013 has 16 divisors (see below), whose sum is σ = 1987751195136. Its totient is φ = 745382124720.

The previous prime is 1304440220011. The next prime is 1304440220023. The reversal of 1304440220013 is 3100220444031.

It is not a de Polignac number, because 1304440220013 - 21 = 1304440220011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304440220011) 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 15 ways as a sum of consecutive naturals, for example, 880458 + ... + 1839588.

It is an arithmetic number, because the mean of its divisors is an integer number (124234449696).

Almost surely, 21304440220013 is an apocalyptic number.

It is an amenable number.

1304440220013 is a deficient number, since it is larger than the sum of its proper divisors (683310975123).

1304440220013 is an equidigital number, since it uses as much as digits as its factorization.

1304440220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023904.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1304440220013 its reverse (3100220444031), we get a palindrome (4404660664044).

The spelling of 1304440220013 in words is "one trillion, three hundred four billion, four hundred forty million, two hundred twenty thousand, thirteen".

Divisors: 1 3 7 21 64763 194289 453341 959131 1360023 2877393 6713917 20141751 62116200953 186348602859 434813406671 1304440220013