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47827970420 = 2259724653593
BaseRepresentation
bin101100100010110001…
…001110100101110100
311120110012202122011212
4230202301032211310
51240422430023140
633545531220552
73312136016666
oct544261164564
9146405678155
1047827970420
111931370808a
1293295a7758
134682a82619
14245a094536
15139dd50765
hexb22c4e974

47827970420 has 24 divisors (see below), whose sum is σ = 101474192904. Its totient is φ = 18933958656.

The previous prime is 47827970387. The next prime is 47827970431. The reversal of 47827970420 is 2407972874.

It can be written as a sum of positive squares in 4 ways, for example, as 1779556 + 47826190864 = 1334^2 + 218692^2 .

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 7 ways as a sum of consecutive naturals, for example, 12324857 + ... + 12328736.

It is an arithmetic number, because the mean of its divisors is an integer number (4228091371).

Almost surely, 247827970420 is an apocalyptic number.

It is an amenable number.

47827970420 is an abundant number, since it is smaller than the sum of its proper divisors (53646222484).

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

47827970420 is a wasteful number, since it uses less digits than its factorization.

47827970420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24653699 (or 24653697 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 47827970420 in words is "forty-seven billion, eight hundred twenty-seven million, nine hundred seventy thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 24653593 49307186 98614372 123267965 246535930 493071860 2391398521 4782797042 9565594084 11956992605 23913985210 47827970420