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1444162101 = 3481387367
BaseRepresentation
bin101011000010100…
…0010101000110101
310201122110000222020
41112011002220311
510424201141401
6355145223353
750534114064
oct12605025065
93648400866
101444162101
116812123a8
12343791b59
131a02718b5
14d9b2a1db
1586bb9d36
hex56142a35

1444162101 has 4 divisors (see below), whose sum is σ = 1925549472. Its totient is φ = 962774732.

The previous prime is 1444162099. The next prime is 1444162117. The reversal of 1444162101 is 1012614441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1012614441 = 3337538147.

It is a cyclic number.

It is not a de Polignac number, because 1444162101 - 21 = 1444162099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444162901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240693681 + ... + 240693686.

It is an arithmetic number, because the mean of its divisors is an integer number (481387368).

Almost surely, 21444162101 is an apocalyptic number.

It is an amenable number.

1444162101 is a deficient number, since it is larger than the sum of its proper divisors (481387371).

1444162101 is an equidigital number, since it uses as much as digits as its factorization.

1444162101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481387370.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1444162101 is about 38002.1328480389. The cubic root of 1444162101 is about 1130.3301567448.

Adding to 1444162101 its reverse (1012614441), we get a palindrome (2456776542).

The spelling of 1444162101 in words is "one billion, four hundred forty-four million, one hundred sixty-two thousand, one hundred one".

Divisors: 1 3 481387367 1444162101