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542445212323 = 71971263321817
BaseRepresentation
bin1111110010011000100…
…00010001001010100011
31220212010221100220110101
413321030100101022203
532341411433243243
61053110151243231
754122204141140
oct7711420211243
91825127326411
10542445212323
1119a0601a9773
1289167979517
133c1c9989121
141c37c45d3c7
15e19c12254d
hex7e4c4112a3

542445212323 has 32 divisors (see below), whose sum is σ = 662038410240. Its totient is φ = 434093022720.

The previous prime is 542445212299. The next prime is 542445212339. The reversal of 542445212323 is 323212544245.

It is a happy number.

It is not a de Polignac number, because 542445212323 - 29 = 542445211811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542445218323) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 24852511 + ... + 24874327.

It is an arithmetic number, because the mean of its divisors is an integer number (20688700320).

Almost surely, 2542445212323 is an apocalyptic number.

542445212323 is a deficient number, since it is larger than the sum of its proper divisors (119593197917).

542445212323 is a wasteful number, since it uses less digits than its factorization.

542445212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24547.

The product of its digits is 230400, while the sum is 37.

Adding to 542445212323 its reverse (323212544245), we get a palindrome (865657756568).

The spelling of 542445212323 in words is "five hundred forty-two billion, four hundred forty-five million, two hundred twelve thousand, three hundred twenty-three".

Divisors: 1 7 19 71 133 497 1349 2633 9443 18431 21817 50027 152719 186943 350189 414523 1308601 1549007 2901661 3551917 10843049 24863419 29431133 57444161 206017931 402109127 1091439059 4078535431 7640073413 28549748017 77492173189 542445212323