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51122133054 = 2324169271183
BaseRepresentation
bin101111100111000111…
…011101100000111110
311212221210022102210100
4233213013131200332
51314144231224204
635252444421530
73456565650456
oct574707354076
9155853272710
1051122133054
111a754125243
129aa88478a6
134a8939c995
14268d790d66
1514e314da39
hexbe71dd83e

51122133054 has 24 divisors (see below), whose sum is σ = 113466199392. Its totient is φ = 16625083680.

The previous prime is 51122133047. The next prime is 51122133071. The reversal of 51122133054 is 45033122115.

It is a super-2 number, since 2×511221330542 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34634854 + ... + 34636329.

It is an arithmetic number, because the mean of its divisors is an integer number (4727758308).

Almost surely, 251122133054 is an apocalyptic number.

51122133054 is an abundant number, since it is smaller than the sum of its proper divisors (62344066338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51122133054 is a wasteful number, since it uses less digits than its factorization.

51122133054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69271232 (or 69271229 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 51122133054 its reverse (45033122115), we get a palindrome (96155255169).

The spelling of 51122133054 in words is "fifty-one billion, one hundred twenty-two million, one hundred thirty-three thousand, fifty-four".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 69271183 138542366 207813549 415627098 623440647 1246881294 2840118503 5680237006 8520355509 17040711018 25561066527 51122133054