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47240847441920 = 214511192759189
BaseRepresentation
bin10101011110111000111011…
…11011100100000000000000
320012021011212212211201110102
422233130131323210000000
522142443223421120140
6244250051250221532
712644016144560006
oct1257343573440000
9205234785751412
1047240847441920
11140638048a6280
12536b7142848a8
132048a3ca18622
14b9467d758a76
1556dc99970e15
hex2af71dee4000

47240847441920 has 240 divisors, whose sum is σ = 130190945371200. Its totient is φ = 16274353029120.

The previous prime is 47240847441877. The next prime is 47240847441923. The reversal of 47240847441920 is 2914474804274.

It is not an unprimeable number, because it can be changed into a prime (47240847441923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15741686 + ... + 18500874.

It is an arithmetic number, because the mean of its divisors is an integer number (542462272380).

Almost surely, 247240847441920 is an apocalyptic number.

47240847441920 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 47240847441920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65095472685600).

47240847441920 is an abundant number, since it is smaller than the sum of its proper divisors (82950097929280).

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

47240847441920 is a wasteful number, since it uses less digits than its factorization.

47240847441920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759252 (or 2759226 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 56.

The spelling of 47240847441920 in words is "forty-seven trillion, two hundred forty billion, eight hundred forty-seven million, four hundred forty-one thousand, nine hundred twenty".