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8913793103669 = 27732179758497
BaseRepresentation
bin1000000110110110011101…
…1110001011011100110101
31011120011001120022202021002
42001231213132023130311
52132020422013304134
630542535013333045
71610000050146056
oct201554736133465
934504046282232
108913793103669
112927355908a63
12bbb677337185
134c874ab5bb6c
1422b60388272d
15106d0535787e
hex81b6778b735

8913793103669 has 4 divisors (see below), whose sum is σ = 8945972862444. Its totient is φ = 8881613344896.

The previous prime is 8913793103627. The next prime is 8913793103687. The reversal of 8913793103669 is 9663013973198.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 581044881169 + 8332748222500 = 762263^2 + 2886650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8913793103669 is a prime.

It is a super-3 number, since 3×89137931036693 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8913793100669) 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, 16089878972 + ... + 16089879525.

It is an arithmetic number, because the mean of its divisors is an integer number (2236493215611).

Almost surely, 28913793103669 is an apocalyptic number.

It is an amenable number.

8913793103669 is a deficient number, since it is larger than the sum of its proper divisors (32179758775).

8913793103669 is a wasteful number, since it uses less digits than its factorization.

8913793103669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32179758774.

The product of its (nonzero) digits is 39680928, while the sum is 65.

The spelling of 8913793103669 in words is "eight trillion, nine hundred thirteen billion, seven hundred ninety-three million, one hundred three thousand, six hundred sixty-nine".

Divisors: 1 277 32179758497 8913793103669