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808357822428 = 22313311071918179
BaseRepresentation
bin10111100001101011110…
…00010111111111011100
32212021111211212002222110
423300311320113333130
5101221004100304203
61415204321314020
7112254601056162
oct13606570277734
92767454762873
10808357822428
11291905a0a462
121107b9495910
135b2c6684330
142b1a6375232
1516061e1dd03
hexbc35e17fdc

808357822428 has 192 divisors, whose sum is σ = 2127719301120. Its totient is φ = 237175084800.

The previous prime is 808357822411. The next prime is 808357822429. The reversal of 808357822428 is 824228753808.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808357822429) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98829243 + ... + 98837421.

It is an arithmetic number, because the mean of its divisors is an integer number (11081871360).

Almost surely, 2808357822428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808357822428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063859650560).

808357822428 is an abundant number, since it is smaller than the sum of its proper divisors (1319361478692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808357822428 is a wasteful number, since it uses less digits than its factorization.

808357822428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8528 (or 8526 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 57.

The spelling of 808357822428 in words is "eight hundred eight billion, three hundred fifty-seven million, eight hundred twenty-two thousand, four hundred twenty-eight".