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6520424004245 = 51759741378511
BaseRepresentation
bin101111011100010011110…
…0011100111101010010101
3212002100100120010011212102
41132320213203213222111
51323312312021113440
621511235203331445
71242041120363444
oct136704743475225
925070316104772
106520424004245
1120943293aa5a8
12893850980b85
13383b4797c988
1418783974ad5b
15b4927b8cb15
hex5ee278e7a95

6520424004245 has 8 divisors (see below), whose sum is σ = 7828957086720. Its totient is φ = 5213373682320.

The previous prime is 6520424004233. The next prime is 6520424004257. The reversal of 6520424004245 is 5424004240256.

It is an interprime number because it is at equal distance from previous prime (6520424004233) and next prime (6520424004257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6520424004245 - 24 = 6520424004229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6520424004199 and 6520424004208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370680461 + ... + 370698050.

It is an arithmetic number, because the mean of its divisors is an integer number (978619635840).

Almost surely, 26520424004245 is an apocalyptic number.

It is an amenable number.

6520424004245 is a deficient number, since it is larger than the sum of its proper divisors (1308533082475).

6520424004245 is a wasteful number, since it uses less digits than its factorization.

6520424004245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741380275.

The product of its (nonzero) digits is 307200, while the sum is 38.

The spelling of 6520424004245 in words is "six trillion, five hundred twenty billion, four hundred twenty-four million, four thousand, two hundred forty-five".

Divisors: 1 5 1759 8795 741378511 3706892555 1304084800849 6520424004245