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4161224143 = 19219011797
BaseRepresentation
bin1111100000000111…
…0011110111001111
3101202000002002101201
43320001303313033
532010233133033
61524525250331
7205055551546
oct37001636717
911660062351
104161224143
1118459a231a
129817039a7
1351415040b
142b692115d
151954c047d
hexf8073dcf

4161224143 has 4 divisors (see below), whose sum is σ = 4380235960. Its totient is φ = 3942212328.

The previous prime is 4161224131. The next prime is 4161224153. The reversal of 4161224143 is 3414221614.

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

It is a cyclic number.

It is not a de Polignac number, because 4161224143 - 213 = 4161215951 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 (4161224153) 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 3 ways as a sum of consecutive naturals, for example, 109505880 + ... + 109505917.

It is an arithmetic number, because the mean of its divisors is an integer number (1095058990).

Almost surely, 24161224143 is an apocalyptic number.

4161224143 is a deficient number, since it is larger than the sum of its proper divisors (219011817).

4161224143 is a wasteful number, since it uses less digits than its factorization.

4161224143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219011816.

The product of its digits is 4608, while the sum is 28.

The square root of 4161224143 is about 64507.5510541208. The cubic root of 4161224143 is about 1608.4480425570.

Adding to 4161224143 its reverse (3414221614), we get a palindrome (7575445757).

The spelling of 4161224143 in words is "four billion, one hundred sixty-one million, two hundred twenty-four thousand, one hundred forty-three".

Divisors: 1 19 219011797 4161224143