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47777628789460 = 2253764564363229
BaseRepresentation
bin10101101110100000110001…
…00101111001101011010100
320021011111102002122111002001
422313100120211321223110
522230242040432230320
6245340423433325044
713030551116002633
oct1267203045715324
9207144362574061
1047777628789460
1114250418989559
12543775b266784
13208754614916b
14bb26418a751a
1557cc1470620a
hex2b7418979ad4

47777628789460 has 24 divisors (see below), whose sum is σ = 103044723715080. Its totient is φ = 18594536609664.

The previous prime is 47777628789439. The next prime is 47777628789523. The reversal of 47777628789460 is 6498782677774.

47777628789460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15959162091664 + 31818466697796 = 3994892^2 + 5640786^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32282180875 + ... + 32282182354.

It is an arithmetic number, because the mean of its divisors is an integer number (4293530154795).

Almost surely, 247777628789460 is an apocalyptic number.

It is an amenable number.

47777628789460 is an abundant number, since it is smaller than the sum of its proper divisors (55267094925620).

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

47777628789460 is a wasteful number, since it uses less digits than its factorization.

47777628789460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64564363275 (or 64564363273 counting only the distinct ones).

The product of its (nonzero) digits is 11152318464, while the sum is 82.

The spelling of 47777628789460 in words is "forty-seven trillion, seven hundred seventy-seven billion, six hundred twenty-eight million, seven hundred eighty-nine thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 64564363229 129128726458 258257452916 322821816145 645643632290 1291287264580 2388881439473 4777762878946 9555525757892 11944407197365 23888814394730 47777628789460