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6513040001 = 131936771849
BaseRepresentation
bin1100001000011010…
…10001101010000001
3121210220102201020202
412010031101222001
5101314314240001
62554141014545
7320253632546
oct60415215201
917726381222
106513040001
112842494396
121319254455
137ca468330
1445addabcd
15281bc996b
hex184351a81

6513040001 has 16 divisors (see below), whose sum is σ = 7403424000. Its totient is φ = 5680015488.

The previous prime is 6513039989. The next prime is 6513040007. The reversal of 6513040001 is 1000403156.

It is a cyclic number.

It is not a de Polignac number, because 6513040001 - 222 = 6508845697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6513040007) 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, 54725 + ... + 126573.

It is an arithmetic number, because the mean of its divisors is an integer number (462714000).

Almost surely, 26513040001 is an apocalyptic number.

It is an amenable number.

6513040001 is a deficient number, since it is larger than the sum of its proper divisors (890383999).

6513040001 is a wasteful number, since it uses less digits than its factorization.

6513040001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72248.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 6513040001 is about 80703.4076170269. The cubic root of 6513040001 is about 1867.5027434762.

Adding to 6513040001 its reverse (1000403156), we get a palindrome (7513443157).

The spelling of 6513040001 in words is "six billion, five hundred thirteen million, forty thousand, one".

Divisors: 1 13 19 247 367 4771 6973 71849 90649 934037 1365131 17746703 26368583 342791579 501003077 6513040001