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5138546688000 = 2223453112
BaseRepresentation
bin100101011000110100101…
…0000000000000000000000
3200012020111011011002220000
41022301221100000000000
51133142220423004000
614532341000520000
71040150656115205
oct112615120000000
920166434132800
105138546688000
111701277709900
126aba74a80000
132b374182ca1b
1413a9c7d85cac
158d9eaa6c000
hex4ac69400000

5138546688000 has 1380 divisors, whose sum is σ = 21059664982356. Its totient is φ = 1245708288000.

The previous prime is 5138546687891. The next prime is 5138546688007. The reversal of 5138546688000 is 8866458315.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

5138546688000 is a `hidden beast` number, since 5 + 1 + 38 + 546 + 68 + 8 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 164433494016 + 4974113193984 = 405504^2 + 2230272^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138546688007) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 467140607995 + ... + 467140608005.

Almost surely, 25138546688000 is an apocalyptic number.

5138546688000 is a gapful number since it is divisible by the number (50) 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 5138546688000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10529832491178).

5138546688000 is an abundant number, since it is smaller than the sum of its proper divisors (15921118294356).

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

5138546688000 is an frugal number, since it uses more digits than its factorization.

5138546688000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 5138546688000 in words is "five trillion, one hundred thirty-eight billion, five hundred forty-six million, six hundred eighty-eight thousand".