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48563281920 = 213352317183
BaseRepresentation
bin101101001110100110…
…001110000000000000
311122100110101022221010
4231032212032000000
51243424200010140
634150515400520
73336305041206
oct551646160000
9148313338833
1048563281920
111966078553a
1294b38b3140
13476c20649a
1424c99c1076
1513e369a880
hexb4e98e000

48563281920 has 224 divisors, whose sum is σ = 162158671872. Its totient is φ = 12386435072.

The previous prime is 48563281913. The next prime is 48563281937. The reversal of 48563281920 is 2918236584.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 48563281920.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2817649 + ... + 2834831.

Almost surely, 248563281920 is an apocalyptic number.

48563281920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48563281920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81079335936).

48563281920 is an abundant number, since it is smaller than the sum of its proper divisors (113595389952).

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

48563281920 is a wasteful number, since it uses less digits than its factorization.

48563281920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17240 (or 17216 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 48563281920 in words is "forty-eight billion, five hundred sixty-three million, two hundred eighty-one thousand, nine hundred twenty".