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3149748841 = 29108612029
BaseRepresentation
bin1011101110111101…
…0101101001101001
322010111210211010111
42323233111221221
522422313430331
61240314014321
7141024265141
oct27357255151
98114724114
103149748841
111376a50a18
1273aa173a1
133b2726015
1421c467921
151367c3db1
hexbbbd5a69

3149748841 has 4 divisors (see below), whose sum is σ = 3258360900. Its totient is φ = 3041136784.

The previous prime is 3149748829. The next prime is 3149748853. The reversal of 3149748841 is 1488479413.

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

It is an interprime number because it is at equal distance from previous prime (3149748829) and next prime (3149748853).

It can be written as a sum of positive squares in 2 ways, for example, as 630210816 + 2519538025 = 25104^2 + 50195^2 .

It is a cyclic number.

It is not a de Polignac number, because 3149748841 - 219 = 3149224553 is a prime.

It is a super-2 number, since 2×31497488412 = 19841835522761686562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3149748871) 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, 54305986 + ... + 54306043.

It is an arithmetic number, because the mean of its divisors is an integer number (814590225).

Almost surely, 23149748841 is an apocalyptic number.

It is an amenable number.

3149748841 is a deficient number, since it is larger than the sum of its proper divisors (108612059).

3149748841 is a wasteful number, since it uses less digits than its factorization.

3149748841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108612058.

The product of its digits is 774144, while the sum is 49.

The square root of 3149748841 is about 56122.6232547981. The cubic root of 3149748841 is about 1465.8582477076.

The spelling of 3149748841 in words is "three billion, one hundred forty-nine million, seven hundred forty-eight thousand, eight hundred forty-one".

Divisors: 1 29 108612029 3149748841