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69894717613 = 765393716319
BaseRepresentation
bin100000100011000001…
…1001100000010101101
320200102002020112120221
41001012003030002231
52121121021430423
652035330211341
75023025203630
oct1010603140255
9220362215527
1069894717613
1127707822936
1211667723b51
13678b6a4696
143550a4bc17
151c41265e5d
hex10460cc0ad

69894717613 has 16 divisors (see below), whose sum is σ = 80092293120. Its totient is φ = 59750510976.

The previous prime is 69894717611. The next prime is 69894717617. The reversal of 69894717613 is 31671749896.

It is a cyclic number.

It is not a de Polignac number, because 69894717613 - 21 = 69894717611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69894717611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4274868 + ... + 4291186.

It is an arithmetic number, because the mean of its divisors is an integer number (5005768320).

Almost surely, 269894717613 is an apocalyptic number.

It is an amenable number.

69894717613 is a deficient number, since it is larger than the sum of its proper divisors (10197575507).

69894717613 is a wasteful number, since it uses less digits than its factorization.

69894717613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17916.

The product of its digits is 13716864, while the sum is 61.

The spelling of 69894717613 in words is "sixty-nine billion, eight hundred ninety-four million, seven hundred seventeen thousand, six hundred thirteen".

Divisors: 1 7 653 937 4571 6559 16319 114233 611861 4283027 10656307 15290903 74594149 107036321 9984959659 69894717613