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47780483764 = 22132174157717
BaseRepresentation
bin101100011111111100…
…000101001010110100
311120022220102001201211
4230133330011022310
51240323300440024
633541113331204
73311021260636
oct543774051264
9146286361654
1047780483764
1119299923712
129315706b04
134675c97200
142453a52a56
151399ac0594
hexb1ff052b4

47780483764 has 36 divisors (see below), whose sum is σ = 95868661644. Its totient is φ = 20755318272.

The previous prime is 47780483749. The next prime is 47780483767. The reversal of 47780483764 is 46738408774.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 969699600 + 46810784164 = 31140^2 + 216358^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47780483699 and 47780483708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47780483767) 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 11 ways as a sum of consecutive naturals, for example, 2067367 + ... + 2090350.

It is an arithmetic number, because the mean of its divisors is an integer number (2663018379).

Almost surely, 247780483764 is an apocalyptic number.

It is an amenable number.

47780483764 is an abundant number, since it is smaller than the sum of its proper divisors (48088177880).

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

47780483764 is a wasteful number, since it uses less digits than its factorization.

47780483764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157764 (or 4157749 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 58.

The spelling of 47780483764 in words is "forty-seven billion, seven hundred eighty million, four hundred eighty-three thousand, seven hundred sixty-four".

Divisors: 1 2 4 13 17 26 34 52 68 169 221 338 442 676 884 2873 5746 11492 4157717 8315434 16630868 54050321 70681189 108100642 141362378 216201284 282724756 702654173 918855457 1405308346 1837710914 2810616692 3675421828 11945120941 23890241882 47780483764