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2688982898863 = 17279475659837
BaseRepresentation
bin100111001000010011110…
…111101101100010101111
3100112001201211201112010011
4213020103313231202233
5323024014110230423
65415145055354051
7365162334342142
oct47102367554257
910461654645104
102688982898863
11947433821318
12375186b22927
13166754399b51
149420c912059
1549e2ec68b0d
hex27213ded8af

2688982898863 has 8 divisors (see below), whose sum is σ = 2847260743632. Its totient is φ = 2530716429696.

The previous prime is 2688982898837. The next prime is 2688982898893. The reversal of 2688982898863 is 3688982898862.

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 a de Polignac number, because none of the positive numbers 2k-2688982898863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688982898803) 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, 2354820 + ... + 3305017.

It is an arithmetic number, because the mean of its divisors is an integer number (355907592954).

Almost surely, 22688982898863 is an apocalyptic number.

2688982898863 is a deficient number, since it is larger than the sum of its proper divisors (158277844769).

2688982898863 is a wasteful number, since it uses less digits than its factorization.

2688982898863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687801.

The product of its digits is 9172942848, while the sum is 85.

Subtracting 2688982898863 from its reverse (3688982898862), we obtain a palindrome (999999999999).

The spelling of 2688982898863 in words is "two trillion, six hundred eighty-eight billion, nine hundred eighty-two million, eight hundred ninety-eight thousand, eight hundred sixty-three".

Divisors: 1 17 27947 475099 5659837 96217229 158175464639 2688982898863