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48287581687 = 1013154330893
BaseRepresentation
bin101100111110001010…
…100000010111110111
311121122020121022022101
4230332022200113313
51242343110103222
634103310242531
73326416446352
oct547612402767
9147566538271
1048287581687
111952a098904
1294374b6447
134727065c57
1424a1135299
1513c938b927
hexb3e2a05f7

48287581687 has 8 divisors (see below), whose sum is σ = 48368140704. Its totient is φ = 48207089568.

The previous prime is 48287581663. The next prime is 48287581721. The reversal of 48287581687 is 78618578284.

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 48287581687 - 227 = 48153363959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48287581187) 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, 1547613 + ... + 1578505.

It is an arithmetic number, because the mean of its divisors is an integer number (6046017588).

Almost surely, 248287581687 is an apocalyptic number.

48287581687 is a deficient number, since it is larger than the sum of its proper divisors (80559017).

48287581687 is a wasteful number, since it uses less digits than its factorization.

48287581687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33449.

The product of its digits is 48168960, while the sum is 64.

The spelling of 48287581687 in words is "forty-eight billion, two hundred eighty-seven million, five hundred eighty-one thousand, six hundred eighty-seven".

Divisors: 1 1013 1543 30893 1563059 31294609 47667899 48287581687