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3072143853 = 32540763131
BaseRepresentation
bin1011011100011101…
…0011000111101101
321221002210002002200
42313013103013231
522242432100403
61224502412113
7136062535422
oct26707230755
97832702080
103072143853
111337166169
12718a31039
1339c623acc
14212025d49
1512ea94ca3
hexb71d31ed

3072143853 has 12 divisors (see below), whose sum is σ = 4438432128. Its totient is φ = 2047684680.

The previous prime is 3072143827. The next prime is 3072143873. The reversal of 3072143853 is 3583412703.

It is not a de Polignac number, because 3072143853 - 28 = 3072143597 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3072143873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17098 + ... + 80228.

It is an arithmetic number, because the mean of its divisors is an integer number (369869344).

Almost surely, 23072143853 is an apocalyptic number.

It is an amenable number.

3072143853 is a deficient number, since it is larger than the sum of its proper divisors (1366288275).

3072143853 is a wasteful number, since it uses less digits than its factorization.

3072143853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68544 (or 68541 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 3072143853 is about 55426.9235390167. The cubic root of 3072143853 is about 1453.7191647317.

The spelling of 3072143853 in words is "three billion, seventy-two million, one hundred forty-three thousand, eight hundred fifty-three".

Divisors: 1 3 9 5407 16221 48663 63131 189393 568179 341349317 1024047951 3072143853