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49993848438240 = 253571959731731051
BaseRepresentation
bin10110101111000000110011…
…00100111011110111100000
320120000100212020220112211010
423113200121210323313200
523023044400200010430
6254154505032020520
713346636112126540
oct1327403144736740
9216010766815733
1049993848438240
1114a252aa119753
125735186831740
1321b852712c4c5
14c4ba02625320
155ba6c4a89cb0
hex2d781993bde0

49993848438240 has 1536 divisors, whose sum is σ = 196616396390400. Its totient is φ = 10425861734400.

The previous prime is 49993848438217. The next prime is 49993848438251. The reversal of 49993848438240 is 4283484839994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 47567885715 + ... + 47567886765.

It is an arithmetic number, because the mean of its divisors is an integer number (128005466400).

Almost surely, 249993848438240 is an apocalyptic number.

49993848438240 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 49993848438240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98308198195200).

49993848438240 is an abundant number, since it is smaller than the sum of its proper divisors (146622547952160).

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

49993848438240 is a wasteful number, since it uses less digits than its factorization.

49993848438240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 1719926784, while the sum is 75.

The spelling of 49993848438240 in words is "forty-nine trillion, nine hundred ninety-three billion, eight hundred forty-eight million, four hundred thirty-eight thousand, two hundred forty".