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4144407131 = 22371852663
BaseRepresentation
bin1111011100000110…
…1010001001011011
3101200211102200210102
43313001222021123
531441432012011
61523125010015
7204462610424
oct36701521133
911624380712
104144407131
111837456467
12977b5390b
13510812a17
142b45c464b
15193c9c73b
hexf706a25b

4144407131 has 4 divisors (see below), whose sum is σ = 4146262032. Its totient is φ = 4142552232.

The previous prime is 4144407121. The next prime is 4144407149. The reversal of 4144407131 is 1317044414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4144407131 is a prime.

It is a super-2 number, since 2×41444071312 = 34352220934967302322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4144407094 and 4144407103.

It is not an unprimeable number, because it can be changed into a prime (4144407121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924095 + ... + 928568.

It is an arithmetic number, because the mean of its divisors is an integer number (1036565508).

Almost surely, 24144407131 is an apocalyptic number.

4144407131 is a deficient number, since it is larger than the sum of its proper divisors (1854901).

4144407131 is a wasteful number, since it uses less digits than its factorization.

4144407131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854900.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 4144407131 is about 64377.0699162365. The cubic root of 4144407131 is about 1606.2783436262.

The spelling of 4144407131 in words is "four billion, one hundred forty-four million, four hundred seven thousand, one hundred thirty-one".

Divisors: 1 2237 1852663 4144407131