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1304945747413 = 71119891965651
BaseRepresentation
bin10010111111010100110…
…100111110010111010101
311121202021220122110020021
4102333110310332113111
5132340012102404123
62435252300105141
7163164525560140
oct22772464762725
94552256573207
101304945747413
11463473944450
12190aa78351b1
139609593c0b9
1447234367057
1523e28211c5d
hex12fd4d3e5d5

1304945747413 has 16 divisors (see below), whose sum is σ = 1712574051840. Its totient is φ = 963322902000.

The previous prime is 1304945747407. The next prime is 1304945747423. The reversal of 1304945747413 is 3147475494031.

It is a cyclic number.

It is not a de Polignac number, because 1304945747413 - 237 = 1167506793941 is a prime.

It is a super-3 number, since 3×13049457474133 (a number of 37 digits) contains 333 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 (1304945747423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445981363 + ... + 445984288.

It is an arithmetic number, because the mean of its divisors is an integer number (107035878240).

Almost surely, 21304945747413 is an apocalyptic number.

It is an amenable number.

1304945747413 is a deficient number, since it is larger than the sum of its proper divisors (407628304427).

1304945747413 is a wasteful number, since it uses less digits than its factorization.

1304945747413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891965688.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 1304945747413 in words is "one trillion, three hundred four billion, nine hundred forty-five million, seven hundred forty-seven thousand, four hundred thirteen".

Divisors: 1 7 11 19 77 133 209 1463 891965651 6243759557 9811622161 16947347369 68681355127 118631431583 186420821059 1304945747413