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3140113421 = 7069444209
BaseRepresentation
bin1011101100101010…
…0101010000001101
322002211200021211002
42323022211100031
522412332112141
61235331310045
7140546344424
oct27312452015
98084607732
103140113421
11137156a765
1273774b325
133b07313a3
1421b07a2bb
15135a1de9b
hexbb2a540d

3140113421 has 4 divisors (see below), whose sum is σ = 3140564700. Its totient is φ = 3139662144.

The previous prime is 3140113393. The next prime is 3140113423. The reversal of 3140113421 is 1243110413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1801578025 + 1338535396 = 42445^2 + 36586^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140113421 - 26 = 3140113357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3140113393 and 3140113402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140113423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215036 + ... + 229173.

It is an arithmetic number, because the mean of its divisors is an integer number (785141175).

Almost surely, 23140113421 is an apocalyptic number.

It is an amenable number.

3140113421 is a deficient number, since it is larger than the sum of its proper divisors (451279).

3140113421 is an equidigital number, since it uses as much as digits as its factorization.

3140113421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451278.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3140113421 is about 56036.7149376192. The cubic root of 3140113421 is about 1464.3619816497.

Adding to 3140113421 its reverse (1243110413), we get a palindrome (4383223834).

The spelling of 3140113421 in words is "three billion, one hundred forty million, one hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 7069 444209 3140113421