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51242305324 = 2277325069621
BaseRepresentation
bin101111101110010001…
…111000011100101100
311220021011102211011011
4233232101320130230
51314421012232244
635312420235004
73462555260110
oct575621703454
9156234384134
1051242305324
111a805a44471
129b20b3ba64
134aa8257132
1426a1713740
1514ed98a434
hexbee47872c

51242305324 has 24 divisors (see below), whose sum is σ = 103888513568. Its totient is φ = 21660151680.

The previous prime is 51242305237. The next prime is 51242305357. The reversal of 51242305324 is 42350324215.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12532767 + ... + 12536854.

Almost surely, 251242305324 is an apocalyptic number.

It is an amenable number.

51242305324 is an abundant number, since it is smaller than the sum of its proper divisors (52646208244).

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

51242305324 is a wasteful number, since it uses less digits than its factorization.

51242305324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25069705 (or 25069703 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 51242305324 its reverse (42350324215), we get a palindrome (93592629539).

The spelling of 51242305324 in words is "fifty-one billion, two hundred forty-two million, three hundred five thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 2044 25069621 50139242 100278484 175487347 350974694 701949388 1830082333 3660164666 7320329332 12810576331 25621152662 51242305324