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47070024280 = 2353156966713
BaseRepresentation
bin101011110101100101…
…111001001001011000
311111111101112222112121
4223311211321021120
51232344411234110
633342413551024
73254303414326
oct536545711130
9144441488477
1047070024280
1118a6488aa14
1291577a5474
134591a35096
1423c7554d16
151357533cda
hexaf5979258

47070024280 has 64 divisors (see below), whose sum is σ = 109517702400. Its totient is φ = 18188359680.

The previous prime is 47070024259. The next prime is 47070024289. The reversal of 47070024280 is 8242007074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47070024289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672204 + ... + 738916.

It is an arithmetic number, because the mean of its divisors is an integer number (1711214100).

Almost surely, 247070024280 is an apocalyptic number.

47070024280 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 47070024280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54758851200).

47070024280 is an abundant number, since it is smaller than the sum of its proper divisors (62447678120).

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

47070024280 is a wasteful number, since it uses less digits than its factorization.

47070024280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67324 (or 67320 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The spelling of 47070024280 in words is "forty-seven billion, seventy million, twenty-four thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 569 620 1138 1240 2276 2845 4552 5690 11380 17639 22760 35278 66713 70556 88195 133426 141112 176390 266852 333565 352780 533704 667130 705560 1334260 2068103 2668520 4136206 8272412 10340515 16544824 20681030 37959697 41362060 75919394 82724120 151838788 189798485 303677576 379596970 759193940 1176750607 1518387880 2353501214 4707002428 5883753035 9414004856 11767506070 23535012140 47070024280