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54183731240493 = 3319195154137011
BaseRepresentation
bin11000101000111101000100…
…00011011001111000101101
321002211220200101121001001000
430110132202003121320231
524100221240144143433
6311123355033310513
714261434241254431
oct1424364203317055
9232756611531030
1054183731240493
11162a021179a068
1260b1205b65439
1324306721a435a
14d547140d69c1
1563e69abab113
hex3147a20d9e2d

54183731240493 has 32 divisors (see below), whose sum is σ = 84540357939200. Its totient is φ = 34203762918000.

The previous prime is 54183731240491. The next prime is 54183731240533. The reversal of 54183731240493 is 39404213738145.

54183731240493 is a `hidden beast` number, since 5 + 4 + 1 + 83 + 7 + 31 + 2 + 40 + 493 = 666.

It is not a de Polignac number, because 54183731240493 - 21 = 54183731240491 is a prime.

It is a super-2 number, since 2×541837312404932 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54183731240491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26067643 + ... + 28069368.

It is an arithmetic number, because the mean of its divisors is an integer number (2641886185600).

Almost surely, 254183731240493 is an apocalyptic number.

It is an amenable number.

54183731240493 is a deficient number, since it is larger than the sum of its proper divisors (30356626698707).

54183731240493 is a wasteful number, since it uses less digits than its factorization.

54183731240493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54138990 (or 54138984 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 54183731240493 in words is "fifty-four trillion, one hundred eighty-three billion, seven hundred thirty-one million, two hundred forty thousand, four hundred ninety-three".

Divisors: 1 3 9 19 27 57 171 513 1951 5853 17559 37069 52677 111207 333621 1000863 54137011 162411033 487233099 1028603209 1461699297 3085809627 9257428881 27772286643 105621308461 316863925383 950591776149 2006804860759 2851775328447 6020414582277 18061243746831 54183731240493