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808328254988 = 221263111599877
BaseRepresentation
bin10111100001101000001…
…11100101011000001100
32212021102210012221002002
423300310013211120030
5101220424013124423
61415201343451432
7112254061541552
oct13606407453014
92767383187062
10808328254988
112918a0254a61
121107ab5b6b78
135b2c05011c7
142b1a2479bd2
151605e52d228
hexbc341e560c

808328254988 has 12 divisors (see below), whose sum is σ = 1414586529552. Its totient is φ = 404160675120.

The previous prime is 808328254961. The next prime is 808328255003. The reversal of 808328254988 is 889452823808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294695 + ... + 1305182.

It is an arithmetic number, because the mean of its divisors is an integer number (117882210796).

Almost surely, 2808328254988 is an apocalyptic number.

It is an amenable number.

808328254988 is a deficient number, since it is larger than the sum of its proper divisors (606258274564).

808328254988 is a wasteful number, since it uses less digits than its factorization.

808328254988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726192 (or 1726190 counting only the distinct ones).

The product of its (nonzero) digits is 70778880, while the sum is 65.

The spelling of 808328254988 in words is "eight hundred eight billion, three hundred twenty-eight million, two hundred fifty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 4 126311 252622 505244 1599877 3199754 6399508 202082063747 404164127494 808328254988