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1444103311 = 7972126809
BaseRepresentation
bin101011000010011…
…0100010010001111
310201122100001022211
41112010310102033
510424142301221
6355144051251
750533450510
oct12604642217
93648301284
101444103311
11681182212
12343763b27
131a0250c01
14d9b12a07
1586ba76e1
hex5613448f

1444103311 has 8 divisors (see below), whose sum is σ = 1667419040. Its totient is φ = 1225041408.

The previous prime is 1444103299. The next prime is 1444103317. The reversal of 1444103311 is 1133014441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1444103311 - 227 = 1309885583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444103317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062726 + ... + 1064083.

It is an arithmetic number, because the mean of its divisors is an integer number (208427380).

Almost surely, 21444103311 is an apocalyptic number.

1444103311 is a deficient number, since it is larger than the sum of its proper divisors (223315729).

1444103311 is an equidigital number, since it uses as much as digits as its factorization.

1444103311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126913.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1444103311 is about 38001.3593309503. The cubic root of 1444103311 is about 1130.3148184362.

Adding to 1444103311 its reverse (1133014441), we get a palindrome (2577117752).

The spelling of 1444103311 in words is "one billion, four hundred forty-four million, one hundred three thousand, three hundred eleven".

Divisors: 1 7 97 679 2126809 14887663 206300473 1444103311