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738213868485 = 325172414004089
BaseRepresentation
bin10101011111000001111…
…10011011001111000101
32121120110101122001102100
422233200332123033011
544043330222242420
61323044125102313
7104222425230552
oct12574076331705
92546411561370
10738213868485
11265090535695
12bb0a23b7999
13547c8476a42
1427a305a9a29
1514308d75190
hexabe0f9b3c5

738213868485 has 48 divisors (see below), whose sum is σ = 1360461651120. Its totient is φ = 369016750080.

The previous prime is 738213868421. The next prime is 738213868487. The reversal of 738213868485 is 584868312837.

738213868485 is a `hidden beast` number, since 7 + 3 + 82 + 13 + 8 + 68 + 485 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 39521837601 + 698692030884 = 198801^2 + 835878^2 .

It is not a de Polignac number, because 738213868485 - 26 = 738213868421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738213868487) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1817680 + ... + 2186409.

It is an arithmetic number, because the mean of its divisors is an integer number (28342951065).

Almost surely, 2738213868485 is an apocalyptic number.

It is an amenable number.

738213868485 is a deficient number, since it is larger than the sum of its proper divisors (622247782635).

738213868485 is a wasteful number, since it uses less digits than its factorization.

738213868485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004358 (or 4004355 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 738213868485 in words is "seven hundred thirty-eight billion, two hundred thirteen million, eight hundred sixty-eight thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 17 45 51 85 153 241 255 723 765 1205 2169 3615 4097 10845 12291 20485 36873 61455 184365 4004089 12012267 20020445 36036801 60061335 68069513 180184005 204208539 340347565 612625617 964985449 1021042695 2894956347 3063128085 4824927245 8684869041 14474781735 16404752633 43424345205 49214257899 82023763165 147642773697 246071289495 738213868485