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48491949744 = 243271753107499
BaseRepresentation
bin101101001010010110…
…000110111010110000
311122011111011021120200
4231022112012322300
51243302414342434
634135450435200
73334450525530
oct551226067260
9148144137520
1048491949744
1119624494627
129493a32b00
13475a4bc4b4
1424c03334c0
1513dc2aa199
hexb4a586eb0

48491949744 has 480 divisors, whose sum is σ = 169221312000. Its totient is φ = 12648849408.

The previous prime is 48491949719. The next prime is 48491949749. The reversal of 48491949744 is 44794919484.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (48491949749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97178007 + ... + 97178505.

It is an arithmetic number, because the mean of its divisors is an integer number (352544400).

Almost surely, 248491949744 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 48491949744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84610656000).

48491949744 is an abundant number, since it is smaller than the sum of its proper divisors (120729362256).

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

48491949744 is a wasteful number, since it uses less digits than its factorization.

48491949744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 688 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 48491949744 in words is "forty-eight billion, four hundred ninety-one million, nine hundred forty-nine thousand, seven hundred forty-four".