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3140043213 = 31046681071
BaseRepresentation
bin1011101100101001…
…0100000111001101
322002211112201111210
42323022110013031
522412322340323
61235330005033
7140545632636
oct27312240715
98084481453
103140043213
111371521a3a
12737716779
133b0708448
1421b05c88d
15135a08293
hexbb2941cd

3140043213 has 4 divisors (see below), whose sum is σ = 4186724288. Its totient is φ = 2093362140.

The previous prime is 3140043161. The next prime is 3140043233. The reversal of 3140043213 is 3123400413.

3140043213 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3140043213 - 26 = 3140043149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3140043213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140043233) 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, 523340533 + ... + 523340538.

It is an arithmetic number, because the mean of its divisors is an integer number (1046681072).

Almost surely, 23140043213 is an apocalyptic number.

It is an amenable number.

3140043213 is a deficient number, since it is larger than the sum of its proper divisors (1046681075).

3140043213 is a wasteful number, since it uses less digits than its factorization.

3140043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046681074.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3140043213 is about 56036.0884876880. The cubic root of 3140043213 is about 1464.3510679577.

Adding to 3140043213 its reverse (3123400413), we get a palindrome (6263443626).

The spelling of 3140043213 in words is "three billion, one hundred forty million, forty-three thousand, two hundred thirteen".

Divisors: 1 3 1046681071 3140043213