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47450880000 = 21133541373
BaseRepresentation
bin101100001100010010…
…101111100000000000
311112110221012110101000
4230030102233200000
51234134411130000
633444301012000
73266606553006
oct541422574000
9145427173330
1047450880000
111913a86a507
129243254000
1346229028b4
142421d74a76
15137abb5000
hexb0c4af800

47450880000 has 480 divisors, whose sum is σ = 175772797200. Its totient is φ = 12644352000.

The previous prime is 47450879999. The next prime is 47450880031. The reversal of 47450880000 is 8805474.

47450880000 is a `hidden beast` number, since 4 + 74 + 508 + 80 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34559314 + ... + 34560686.

Almost surely, 247450880000 is an apocalyptic number.

47450880000 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 47450880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87886398600).

47450880000 is an abundant number, since it is smaller than the sum of its proper divisors (128321917200).

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

47450880000 is an equidigital number, since it uses as much as digits as its factorization.

47450880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The spelling of 47450880000 in words is "forty-seven billion, four hundred fifty million, eight hundred eighty thousand".