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47084778000 = 24325313311647
BaseRepresentation
bin101011110110011110…
…001011001000010000
311111112102022112211200
4223312132023020100
51232412200344000
633344102111200
73254543003151
oct536636131020
9144472275750
1047084778000
1118a72147677
12916071b500
134594acc5b0
1423c94b5928
15135899a500
hexaf678b210

47084778000 has 480 divisors, whose sum is σ = 177945610752. Its totient is φ = 11534976000.

The previous prime is 47084777983. The next prime is 47084778011. The reversal of 47084778000 is 87748074.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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, 72773677 + ... + 72774323.

Almost surely, 247084778000 is an apocalyptic number.

47084778000 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 47084778000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88972805376).

47084778000 is an abundant number, since it is smaller than the sum of its proper divisors (130860832752).

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

47084778000 is a wasteful number, since it uses less digits than its factorization.

47084778000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The spelling of 47084778000 in words is "forty-seven billion, eighty-four million, seven hundred seventy-eight thousand".