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47943520320 = 2635101643769
BaseRepresentation
bin101100101001101010…
…000001000001000000
311120202021012011211210
4230221222001001000
51241142020122240
634005220010120
73315041125113
oct545152010100
9146667164753
1047943520320
111937295a473
129360230940
1346a09abb47
14246b57257a
1513a9077780
hexb29a81040

47943520320 has 224 divisors, whose sum is σ = 154167108480. Its totient is φ = 12622233600.

The previous prime is 47943520297. The next prime is 47943520321. The reversal of 47943520320 is 2302534974.

It is a super-2 number, since 2×479435203202 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47943520321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62344896 + ... + 62345664.

It is an arithmetic number, because the mean of its divisors is an integer number (688246020).

Almost surely, 247943520320 is an apocalyptic number.

47943520320 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 47943520320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77083554240).

47943520320 is an abundant number, since it is smaller than the sum of its proper divisors (106223588160).

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

47943520320 is a wasteful number, since it uses less digits than its factorization.

47943520320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 47943520320 in words is "forty-seven billion, nine hundred forty-three million, five hundred twenty thousand, three hundred twenty".