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56006050009 = 7132412553739
BaseRepresentation
bin110100001010001110…
…001000000011011001
312100120011021010100111
4310022032020003121
51404200022100014
641421232004321
74021611366430
oct641216100331
9170504233314
1056006050009
112182aa56348
12aa303906a1
135387176480
1429d4276117
1516cbcc52c4
hexd0a3880d9

56006050009 has 16 divisors (see below), whose sum is σ = 69216568960. Its totient is φ = 44128592640.

The previous prime is 56006049991. The next prime is 56006050031. The reversal of 56006050009 is 90005060065.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56006050009 is a prime.

It is a super-2 number, since 2×560060500092 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56006050049) 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, 1254939 + ... + 1298800.

It is an arithmetic number, because the mean of its divisors is an integer number (4326035560).

Almost surely, 256006050009 is an apocalyptic number.

It is an amenable number.

56006050009 is a deficient number, since it is larger than the sum of its proper divisors (13210518951).

56006050009 is a wasteful number, since it uses less digits than its factorization.

56006050009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554000.

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 56006050009 in words is "fifty-six billion, six million, fifty thousand, nine".

Divisors: 1 7 13 91 241 1687 3133 21931 2553739 17876173 33198607 232390249 615451099 4308157693 8000864287 56006050009