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47189022720 = 2113572232947
BaseRepresentation
bin101011111100101011…
…110101100000000000
311111210200110201201020
4223330223311200000
51233120342211340
633402304305440
73260250034500
oct537453654000
9144720421636
1047189022720
1119015a78234
12918b612280
1345b059b168
1423d928da00
151362bdc9d0
hexafcaf5800

47189022720 has 1152 divisors, whose sum is σ = 193603737600. Its totient is φ = 9749397504.

The previous prime is 47189022631. The next prime is 47189022721. The reversal of 47189022720 is 2722098174.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47189022721) 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, 1004021737 + ... + 1004021783.

It is an arithmetic number, because the mean of its divisors is an integer number (168058800).

Almost surely, 247189022720 is an apocalyptic number.

47189022720 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 47189022720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96801868800).

47189022720 is an abundant number, since it is smaller than the sum of its proper divisors (146414714880).

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

47189022720 is a wasteful number, since it uses less digits than its factorization.

47189022720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 47189022720 in words is "forty-seven billion, one hundred eighty-nine million, twenty-two thousand, seven hundred twenty".