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51055110110050 = 2524141593598777
BaseRepresentation
bin10111001101111001100011…
…01100111011101101100010
320200202211011101222100101221
423212330301230323231202
523142441331142010200
6300330221020445254
713516416136401004
oct1346746154735542
9220684141870357
1051055110110050
11152a4394720382
1258869a50a982a
132264626360597
14c8711ad06374
155d80d96c291a
hex2e6f31b3bb62

51055110110050 has 48 divisors (see below), whose sum is σ = 97281164747592. Its totient is φ = 19923433113600.

The previous prime is 51055110110027. The next prime is 51055110110089. The reversal of 51055110110050 is 5001101155015.

It can be written as a sum of positive squares in 12 ways, for example, as 7435967248609 + 43619142861441 = 2726897^2 + 6604479^2 .

It is a super-2 number, since 2×510551101100502 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 51055110109997 and 51055110110024.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84966262 + ... + 85565038.

Almost surely, 251055110110050 is an apocalyptic number.

51055110110050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51055110110050 is a deficient number, since it is larger than the sum of its proper divisors (46226054637542).

51055110110050 is a wasteful number, since it uses less digits than its factorization.

51055110110050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640423 (or 640418 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 25.

Adding to 51055110110050 its reverse (5001101155015), we get a palindrome (56056211265065).

The spelling of 51055110110050 in words is "fifty-one trillion, fifty-five billion, one hundred ten million, one hundred ten thousand, fifty".

Divisors: 1 2 5 10 25 41 50 82 205 410 1025 2050 41593 83186 207965 415930 598777 1039825 1197554 1705313 2079650 2993885 3410626 5987770 8526565 14969425 17053130 24549857 29938850 42632825 49099714 85265650 122749285 245498570 613746425 1227492850 24904931761 49809863522 124524658805 249049317610 622623294025 1021102202201 1245246588050 2042204404402 5105511011005 10211022022010 25527555055025 51055110110050