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1304513020513 = 1983903818309
BaseRepresentation
bin10010111110111011000…
…010010000001001100001
311121201011202101122112001
4102332323002100021201
5132333120313124023
62435141321204001
7163151022501523
oct22767302201141
94551152348461
101304513020513
1146327165630a
121909a6930601
13960270ac591
14471d2ac3a13
1523e002366ad
hex12fbb090261

1304513020513 has 8 divisors (see below), whose sum is σ = 1373189644800. Its totient is φ = 1235838200688.

The previous prime is 1304513020483. The next prime is 1304513020519. The reversal of 1304513020513 is 3150203154031.

It is a happy number.

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 1304513020513 - 229 = 1303976149601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304513020519) 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, 1185003 + ... + 2003311.

It is an arithmetic number, because the mean of its divisors is an integer number (171648705600).

Almost surely, 21304513020513 is an apocalyptic number.

It is an amenable number.

1304513020513 is a deficient number, since it is larger than the sum of its proper divisors (68676624287).

1304513020513 is an equidigital number, since it uses as much as digits as its factorization.

1304513020513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902231.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 1304513020513 its reverse (3150203154031), we get a palindrome (4454716174544).

The spelling of 1304513020513 in words is "one trillion, three hundred four billion, five hundred thirteen million, twenty thousand, five hundred thirteen".

Divisors: 1 19 83903 818309 1594157 15547871 68658580027 1304513020513