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47075391420 = 22351941294203
BaseRepresentation
bin101011110101111010…
…010111011110111100
311111111202122122212120
4223311322113132330
51232402300011140
633343125002540
73254400140061
oct536572273674
9144452578776
1047075391420
1118a67916372
129159553450
134592b93cc5
1423c8150c68
151357c441d0
hexaf5e977bc

47075391420 has 48 divisors (see below), whose sum is σ = 138748525440. Its totient is φ = 11892730176.

The previous prime is 47075391383. The next prime is 47075391457. The reversal of 47075391420 is 2419357074.

It is an interprime number because it is at equal distance from previous prime (47075391383) and next prime (47075391457).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20645962 + ... + 20648241.

It is an arithmetic number, because the mean of its divisors is an integer number (2890594280).

Almost surely, 247075391420 is an apocalyptic number.

It is an amenable number.

47075391420 is an abundant number, since it is smaller than the sum of its proper divisors (91673134020).

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

47075391420 is a wasteful number, since it uses less digits than its factorization.

47075391420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41294234 (or 41294232 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 47075391420 in words is "forty-seven billion, seventy-five million, three hundred ninety-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 41294203 82588406 123882609 165176812 206471015 247765218 412942030 495530436 619413045 784589857 825884060 1238826090 1569179714 2353769571 2477652180 3138359428 3922949285 4707539142 7845898570 9415078284 11768847855 15691797140 23537695710 47075391420