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47838794550 = 2352318925297
BaseRepresentation
bin101100100011011010…
…100001001100110110
311120110222010120002120
4230203122201030312
51240433212411200
633550555220410
73312330021141
oct544332411466
9146428116076
1047838794550
1119319830448
129331147706
1346850a2331
14245b6b1058
15139ec8c9a0
hexb236a1336

47838794550 has 24 divisors (see below), whose sum is σ = 118640210856. Its totient is φ = 12757011840.

The previous prime is 47838794543. The next prime is 47838794579. The reversal of 47838794550 is 5549783874.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 159462499 + ... + 159462798.

It is an arithmetic number, because the mean of its divisors is an integer number (4943342119).

Almost surely, 247838794550 is an apocalyptic number.

47838794550 is an abundant number, since it is smaller than the sum of its proper divisors (70801416306).

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

47838794550 is a wasteful number, since it uses less digits than its factorization.

47838794550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318925312 (or 318925307 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 47838794550 in words is "forty-seven billion, eight hundred thirty-eight million, seven hundred ninety-four thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 318925297 637850594 956775891 1594626485 1913551782 3189252970 4783879455 7973132425 9567758910 15946264850 23919397275 47838794550