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3781874272127 = 7787368622857
BaseRepresentation
bin110111000010001001010…
…001011100011101111111
3111101112200022122122012012
4313002021101130131333
5443430234303202002
612013211414401435
7540142240625330
oct67021121343577
914345608578165
103781874272127
11122897a484886
12510b5206027b
132158244c7bc3
14d1087c64287
15685965e4d52
hex3708945c77f

3781874272127 has 8 divisors (see below), whose sum is σ = 4322691071136. Its totient is φ = 3241194734592.

The previous prime is 3781874272123. The next prime is 3781874272147. The reversal of 3781874272127 is 7212724781873.

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 3781874272127 - 22 = 3781874272123 is a prime.

It is a super-2 number, since 2×37818742721272 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781874272123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34256318 + ... + 34366539.

It is an arithmetic number, because the mean of its divisors is an integer number (540336383892).

Almost surely, 23781874272127 is an apocalyptic number.

3781874272127 is a deficient number, since it is larger than the sum of its proper divisors (540816799009).

3781874272127 is an equidigital number, since it uses as much as digits as its factorization.

3781874272127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68630737.

The product of its digits is 14751744, while the sum is 59.

The spelling of 3781874272127 in words is "three trillion, seven hundred eighty-one billion, eight hundred seventy-four million, two hundred seventy-two thousand, one hundred twenty-seven".

Divisors: 1 7 7873 55111 68622857 480359999 540267753161 3781874272127