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804135489248 = 25731323594153
BaseRepresentation
bin10111011001110100011…
…01011100111011100000
32211212121120210100202002
423230322031130323200
5101133332141123443
61413225330143132
7112045140611000
oct13547215347340
92755546710662
10804135489248
1129003957a003
1210ba1b421aa8
135aaa2989230
142acc56a8000
1515db63cc2b8
hexbb3a35cee0

804135489248 has 384 divisors, whose sum is σ = 2110364928000. Its totient is φ = 299058794496.

The previous prime is 804135489247. The next prime is 804135489277. The reversal of 804135489248 is 842984531408.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 804135489193 and 804135489202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804135489247) 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, 193625540 + ... + 193629692.

It is an arithmetic number, because the mean of its divisors is an integer number (5495742000).

Almost surely, 2804135489248 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 804135489248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055182464000).

804135489248 is an abundant number, since it is smaller than the sum of its proper divisors (1306229438752).

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

804135489248 is a wasteful number, since it uses less digits than its factorization.

804135489248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4257 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 804135489248 in words is "eight hundred four billion, one hundred thirty-five million, four hundred eighty-nine thousand, two hundred forty-eight".