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808440008799 = 3269480002933
BaseRepresentation
bin10111100001110101100…
…01111001000001011111
32212021201120111121111010
423300322301321001133
5101221141120240144
61415220415030303
7112256616456453
oct13607261710137
92767646447433
10808440008799
11291948344285
12110820b0b393
135b30a6cb917
142b1b324a663
15160692555b9
hexbc3ac7905f

808440008799 has 4 divisors (see below), whose sum is σ = 1077920011736. Its totient is φ = 538960005864.

The previous prime is 808440008767. The next prime is 808440008801. The reversal of 808440008799 is 997800044808.

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

It is not a de Polignac number, because 808440008799 - 25 = 808440008767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808440008699) 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, 134740001464 + ... + 134740001469.

It is an arithmetic number, because the mean of its divisors is an integer number (269480002934).

Almost surely, 2808440008799 is an apocalyptic number.

808440008799 is a deficient number, since it is larger than the sum of its proper divisors (269480002937).

808440008799 is a wasteful number, since it uses less digits than its factorization.

808440008799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269480002936.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 808440008799 in words is "eight hundred eight billion, four hundred forty million, eight thousand, seven hundred ninety-nine".

Divisors: 1 3 269480002933 808440008799