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1142024161 = 10710673123
BaseRepresentation
bin100010000010001…
…1110011111100001
32221120220211122011
41010010132133201
54314324233121
6305153312521
740205021335
oct10404363741
92846824564
101142024161
11536708723
1227a565741
131527a5955
14ab95b7c5
156a3d77e1
hex4411e7e1

1142024161 has 4 divisors (see below), whose sum is σ = 1152697392. Its totient is φ = 1131350932.

The previous prime is 1142024153. The next prime is 1142024197. The reversal of 1142024161 is 1614202411.

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 a cyclic number.

It is not a de Polignac number, because 1142024161 - 23 = 1142024153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142024131) 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, 5336455 + ... + 5336668.

It is an arithmetic number, because the mean of its divisors is an integer number (288174348).

Almost surely, 21142024161 is an apocalyptic number.

It is an amenable number.

1142024161 is a deficient number, since it is larger than the sum of its proper divisors (10673231).

1142024161 is a wasteful number, since it uses less digits than its factorization.

1142024161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673230.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1142024161 is about 33793.8479756301. The cubic root of 1142024161 is about 1045.2618441394.

Adding to 1142024161 its reverse (1614202411), we get a palindrome (2756226572).

The spelling of 1142024161 in words is "one billion, one hundred forty-two million, twenty-four thousand, one hundred sixty-one".

Divisors: 1 107 10673123 1142024161