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48787478784 = 28321121391259
BaseRepresentation
bin101101011011111101…
…011101100100000000
311122221002020201012200
4231123331131210000
51244404043310114
634225044553200
73344666504322
oct553375354400
9148832221180
1048787478784
1119766294a00
1295569b2800
1347a67b3255
14250b6a1612
1514081d4409
hexb5bf5d900

48787478784 has 324 divisors, whose sum is σ = 155852751600. Its totient is φ = 14666065920.

The previous prime is 48787478777. The next prime is 48787478797.

48787478784 is a `hidden beast` number, since 4 + 8 + 7 + 87 + 478 + 78 + 4 = 666.

48787478784 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38750347 + ... + 38751605.

Almost surely, 248787478784 is an apocalyptic number.

48787478784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48787478784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77926375800).

48787478784 is an abundant number, since it is smaller than the sum of its proper divisors (107065272816).

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

48787478784 is a wasteful number, since it uses less digits than its factorization.

48787478784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 1414 counting only the distinct ones).

The product of its digits is 629407744, while the sum is 72.

The spelling of 48787478784 in words is "forty-eight billion, seven hundred eighty-seven million, four hundred seventy-eight thousand, seven hundred eighty-four".