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2868499161689 = 73664311183189
BaseRepresentation
bin101001101111011111110…
…111111010001001011001
3101011020002122020112201012
4221233133313322021121
5333444141241133224
610033434220103305
7414146040400610
oct51573767721131
911136078215635
102868499161689
11a06583aa4607
123a3b26694b35
1317a662a31685
149cb9c38a877
154e939c6c80e
hex29bdfdfa259

2868499161689 has 8 divisors (see below), whose sum is σ = 3278374514880. Its totient is φ = 2458646248176.

The previous prime is 2868499161683. The next prime is 2868499161721. The reversal of 2868499161689 is 9861619948682.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2868499161689 - 24 = 2868499161673 is a prime.

It is a super-2 number, since 2×28684991616892 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2868499161683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5335094 + ... + 5848095.

It is an arithmetic number, because the mean of its divisors is an integer number (409796814360).

Almost surely, 22868499161689 is an apocalyptic number.

It is an amenable number.

2868499161689 is a deficient number, since it is larger than the sum of its proper divisors (409875353191).

2868499161689 is a wasteful number, since it uses less digits than its factorization.

2868499161689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11219839.

The product of its digits is 644972544, while the sum is 77.

The spelling of 2868499161689 in words is "two trillion, eight hundred sixty-eight billion, four hundred ninety-nine million, one hundred sixty-one thousand, six hundred eighty-nine".

Divisors: 1 7 36643 256501 11183189 78282323 409785594527 2868499161689