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3805131037745 = 5775398158933
BaseRepresentation
bin110111010111110011011…
…110111101110000110001
3111110202201010100201222202
4313113303132331300301
5444320402021201440
612032015243512545
7541624460105612
oct67276336756061
914422633321882
103805131037745
1112378242a9034
12515562828755
13217a8c82808b
14d22528adc09
1568ea8223615
hex375f37bdc31

3805131037745 has 8 divisors (see below), whose sum is σ = 4566746245416. Its totient is φ = 3043712163456.

The previous prime is 3805131037739. The next prime is 3805131037783. The reversal of 3805131037745 is 5477301315083.

3805131037745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1379290522624 + 2425840515121 = 1174432^2 + 1557511^2 .

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 3805131037745 - 226 = 3805063928881 is a prime.

It is a super-2 number, since 2×38051310377452 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3805131037745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49040702 + ... + 49118231.

It is an arithmetic number, because the mean of its divisors is an integer number (570843280677).

Almost surely, 23805131037745 is an apocalyptic number.

It is an amenable number.

3805131037745 is a deficient number, since it is larger than the sum of its proper divisors (761615207671).

3805131037745 is an equidigital number, since it uses as much as digits as its factorization.

3805131037745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98166691.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 3805131037745 in words is "three trillion, eight hundred five billion, one hundred thirty-one million, thirty-seven thousand, seven hundred forty-five".

Divisors: 1 5 7753 38765 98158933 490794665 761026207549 3805131037745