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51342220201441 = 1327673620939419
BaseRepresentation
bin10111010110010000010101…
…10011000000110111100001
320201210021020121021011200111
423223020022303000313201
523212142331332421231
6301110142414251321
713546232036041021
oct1353101263006741
9221707217234614
1051342220201441
11153a51278a6544
1259125717b6b41
132285720855320
14c96d96179a81
155e07e04294b1
hex2eb20acc0de1

51342220201441 has 16 divisors (see below), whose sum is σ = 55314535046400. Its totient is φ = 47373180565248.

The previous prime is 51342220201439. The next prime is 51342220201457. The reversal of 51342220201441 is 14410202224315.

It is a cyclic number.

It is not a de Polignac number, because 51342220201441 - 21 = 51342220201439 is a prime.

It is a super-3 number, since 3×513422202014413 (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51342220501441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302454230 + ... + 1302493648.

It is an arithmetic number, because the mean of its divisors is an integer number (3457158440400).

Almost surely, 251342220201441 is an apocalyptic number.

It is an amenable number.

51342220201441 is a deficient number, since it is larger than the sum of its proper divisors (3972314844959).

51342220201441 is a wasteful number, since it uses less digits than its factorization.

51342220201441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78408.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 51342220201441 its reverse (14410202224315), we get a palindrome (65752422425756).

The spelling of 51342220201441 in words is "fifty-one trillion, three hundred forty-two billion, two hundred twenty million, two hundred one thousand, four hundred forty-one".

Divisors: 1 13 2767 35971 36209 39419 470717 512447 100190303 109072373 1302473939 1417940849 1427322571 18555193423 3949401553957 51342220201441