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49691952000 = 2732531753383
BaseRepresentation
bin101110010001110111…
…110000001110000000
311202021010011201012200
4232101313300032000
51303232114431000
634454514553200
73406261423425
oct562167601600
9152233151180
1049691952000
111a08a8a2029
129769898800
1348bbcb49c2
142595863d4c
15145c7e6500
hexb91df0380

49691952000 has 768 divisors, whose sum is σ = 193021470720. Its totient is φ = 12204441600.

The previous prime is 49691951993. The next prime is 49691952001. The reversal of 49691952000 is 25919694.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49691952001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 129743809 + ... + 129744191.

It is an arithmetic number, because the mean of its divisors is an integer number (251330040).

Almost surely, 249691952000 is an apocalyptic number.

49691952000 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 49691952000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96510735360).

49691952000 is an abundant number, since it is smaller than the sum of its proper divisors (143329518720).

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

49691952000 is a wasteful number, since it uses less digits than its factorization.

49691952000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 49691952000 in words is "forty-nine billion, six hundred ninety-one million, nine hundred fifty-two thousand".