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48791418880 = 211529433821
BaseRepresentation
bin101101011100001100…
…011111100000000000
311122221100122220000011
4231130030133200000
51244411100401010
634225305234304
73345045134431
oct553414374000
9148840586004
1048791418880
1119768536186
129558192994
1347a7562779
14250c009488
151408711a8a
hexb5c31f800

48791418880 has 192 divisors, whose sum is σ = 123956632800. Its totient is φ = 18400542720.

The previous prime is 48791418839. The next prime is 48791418899. The reversal of 48791418880 is 8881419784.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12767370 + ... + 12771190.

Almost surely, 248791418880 is an apocalyptic number.

48791418880 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 48791418880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61978316400).

48791418880 is an abundant number, since it is smaller than the sum of its proper divisors (75165213920).

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

48791418880 is a wasteful number, since it uses less digits than its factorization.

48791418880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 58.

The spelling of 48791418880 in words is "forty-eight billion, seven hundred ninety-one million, four hundred eighteen thousand, eight hundred eighty".