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51273642588 = 22373716497311
BaseRepresentation
bin101111110000001001…
…011011001001011100
311220100100101220210120
4233300021123021130
51320002023030323
635315500034540
73463415525310
oct576011331134
9156310356716
1051273642588
111a8216a8633
129b2b532a50
134ab18a99ac
1426a594db40
1515015ca5e3
hexbf025b25c

51273642588 has 48 divisors (see below), whose sum is σ = 140425119744. Its totient is φ = 14253675840.

The previous prime is 51273642587. The next prime is 51273642661. The reversal of 51273642588 is 88524637215.

51273642588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51273642588.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51273642583) 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, 8245548 + ... + 8251763.

It is an arithmetic number, because the mean of its divisors is an integer number (2925523328).

Almost surely, 251273642588 is an apocalyptic number.

It is an amenable number.

51273642588 is an abundant number, since it is smaller than the sum of its proper divisors (89151477156).

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

51273642588 is a wasteful number, since it uses less digits than its factorization.

51273642588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16497362 (or 16497360 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The spelling of 51273642588 in words is "fifty-one billion, two hundred seventy-three million, six hundred forty-two thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 518 777 1036 1554 3108 16497311 32994622 49491933 65989244 98983866 115481177 197967732 230962354 346443531 461924708 610400507 692887062 1220801014 1385774124 1831201521 2441602028 3662403042 4272803549 7324806084 8545607098 12818410647 17091214196 25636821294 51273642588