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3144445142 = 210931438447
BaseRepresentation
bin1011101101101100…
…0110110011010110
322010010211100211012
42323123012303112
522414434221032
61240004212222
7140631225356
oct27333066326
98103740735
103144445142
111373a591a3
1273909a072
133b15b9c37
1421b886b66
151360c76b2
hexbb6c6cd6

3144445142 has 8 divisors (see below), whose sum is σ = 4720986336. Its totient is φ = 1570783032.

The previous prime is 3144445091. The next prime is 3144445163. The reversal of 3144445142 is 2415444413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3144445099 and 3144445108.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 717038 + ... + 721409.

It is an arithmetic number, because the mean of its divisors is an integer number (590123292).

Almost surely, 23144445142 is an apocalyptic number.

3144445142 is a deficient number, since it is larger than the sum of its proper divisors (1576541194).

3144445142 is a wasteful number, since it uses less digits than its factorization.

3144445142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439542.

The product of its digits is 30720, while the sum is 32.

The square root of 3144445142 is about 56075.3523573415. The cubic root of 3144445142 is about 1465.0350245367.

Adding to 3144445142 its reverse (2415444413), we get a palindrome (5559889555).

The spelling of 3144445142 in words is "three billion, one hundred forty-four million, four hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 1093 2186 1438447 2876894 1572222571 3144445142