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6538832361601 = 61383327966077
BaseRepresentation
bin101111100100111000011…
…0001111011100010000001
3212011002212110200121212121
41133021300301323202001
51324113012041032401
621523521554324241
71243262235006001
oct137116061734201
925132773617777
106538832361601
1120a1115445981
12897329889681
133857bc689817
141886a44b6001
15b5153d0aca1
hex5f270c7b881

6538832361601 has 8 divisors (see below), whose sum is σ = 6647760469224. Its totient is φ = 6429960193920.

The previous prime is 6538832361599. The next prime is 6538832361613. The reversal of 6538832361601 is 1061632388356.

It can be written as a sum of positive squares in 4 ways, for example, as 134131737600 + 6404700624001 = 366240^2 + 2530751^2 .

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 6538832361601 - 21 = 6538832361599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6538832311601) 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, 13749226 + ... + 14216851.

It is an arithmetic number, because the mean of its divisors is an integer number (830970058653).

Almost surely, 26538832361601 is an apocalyptic number.

6538832361601 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6538832361601 is a deficient number, since it is larger than the sum of its proper divisors (108928107623).

6538832361601 is a wasteful number, since it uses less digits than its factorization.

6538832361601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27969971.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 6538832361601 in words is "six trillion, five hundred thirty-eight billion, eight hundred thirty-two million, three hundred sixty-one thousand, six hundred one".

Divisors: 1 61 3833 233813 27966077 1705930697 107193973141 6538832361601