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48531026879 = 1715118905737
BaseRepresentation
bin101101001100101011…
…001011001110111111
311122021012200121022222
4231030223023032333
51243342420330004
634143404155555
73335433631166
oct551453131677
9148235617288
1048531026879
1119644554885
1294a4b38bbb
134765621c6a
1424c55c63dd
1513e09287be
hexb4cacb3bf

48531026879 has 8 divisors (see below), whose sum is σ = 51726099168. Its totient is φ = 45373766400.

The previous prime is 48531026857. The next prime is 48531026953. The reversal of 48531026879 is 97862013584.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48531026879 - 232 = 44236059583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48531026879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48531026809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9450302 + ... + 9455435.

It is an arithmetic number, because the mean of its divisors is an integer number (6465762396).

It is a 1-persistent number, because it is pandigital, but 2⋅48531026879 = 97062053758 is not.

Almost surely, 248531026879 is an apocalyptic number.

48531026879 is a deficient number, since it is larger than the sum of its proper divisors (3195072289).

48531026879 is a wasteful number, since it uses less digits than its factorization.

48531026879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18905905.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 48531026879 in words is "forty-eight billion, five hundred thirty-one million, twenty-six thousand, eight hundred seventy-nine".

Divisors: 1 17 151 2567 18905737 321397529 2854766287 48531026879