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3144132223 = 23136701401
BaseRepresentation
bin1011101101100111…
…1010011001111111
322010010020110120121
42323121322121333
522414344212343
61235553355411
7140625453151
oct27331723177
98103213517
103144132223
111373865091
12738b68b67
133b150a68b
1421b804ad1
15136064aed
hexbb67a67f

3144132223 has 4 divisors (see below), whose sum is σ = 3280833648. Its totient is φ = 3007430800.

The previous prime is 3144132181. The next prime is 3144132241. The reversal of 3144132223 is 3222314413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222314413 = 5563157923.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3144132223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144132253) 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, 68350678 + ... + 68350723.

It is an arithmetic number, because the mean of its divisors is an integer number (820208412).

Almost surely, 23144132223 is an apocalyptic number.

3144132223 is a deficient number, since it is larger than the sum of its proper divisors (136701425).

3144132223 is a wasteful number, since it uses less digits than its factorization.

3144132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136701424.

The product of its digits is 3456, while the sum is 25.

The square root of 3144132223 is about 56072.5621226639. The cubic root of 3144132223 is about 1464.9864253422.

Adding to 3144132223 its reverse (3222314413), we get a palindrome (6366446636).

The spelling of 3144132223 in words is "three billion, one hundred forty-four million, one hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 23 136701401 3144132223