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6238564004993 = 19328345473947
BaseRepresentation
bin101101011001000011101…
…1001000011010010000001
3211002101211020210200001212
41122302013121003102001
51304203034341124433
621133542353335505
71212502301045465
oct132620731032201
924071736720055
106238564004993
111a9583a818361
128490aa567595
133633a908c128
14177d3b87a4a5
15ac42ccddd48
hex5ac87643481

6238564004993 has 4 divisors (see below), whose sum is σ = 6566909478960. Its totient is φ = 5910218531028.

The previous prime is 6238564004987. The next prime is 6238564005103. The reversal of 6238564004993 is 3994004658326.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6238564004993 - 214 = 6238563988609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6238564004093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164172736955 + ... + 164172736992.

It is an arithmetic number, because the mean of its divisors is an integer number (1641727369740).

Almost surely, 26238564004993 is an apocalyptic number.

It is an amenable number.

6238564004993 is a deficient number, since it is larger than the sum of its proper divisors (328345473967).

6238564004993 is a wasteful number, since it uses less digits than its factorization.

6238564004993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328345473966.

The product of its (nonzero) digits is 33592320, while the sum is 59.

The spelling of 6238564004993 in words is "six trillion, two hundred thirty-eight billion, five hundred sixty-four million, four thousand, nine hundred ninety-three".

Divisors: 1 19 328345473947 6238564004993