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1444116331 = 71791152527
BaseRepresentation
bin101011000010011…
…0111011101101011
310201122100201012001
41112010313131223
510424143210311
6355144231431
750533533460
oct12604673553
93648321161
101444116331
11681190a79
1234376b577
131a0256b08
14d9b17667
1586bab4c1
hex5613776b

1444116331 has 8 divisors (see below), whose sum is σ = 1659640320. Its totient is φ = 1230897768.

The previous prime is 1444116329. The next prime is 1444116361. The reversal of 1444116331 is 1336114441.

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 1444116331 - 21 = 1444116329 is a prime.

It is a super-2 number, since 2×14441163312 = 4170943954921803122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444116331.

It is not an unprimeable number, because it can be changed into a prime (1444116361) 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, 575011 + ... + 577516.

It is an arithmetic number, because the mean of its divisors is an integer number (207455040).

Almost surely, 21444116331 is an apocalyptic number.

1444116331 is a deficient number, since it is larger than the sum of its proper divisors (215523989).

1444116331 is a wasteful number, since it uses less digits than its factorization.

1444116331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152713.

The product of its digits is 3456, while the sum is 28.

The square root of 1444116331 is about 38001.5306402255. The cubic root of 1444116331 is about 1130.3182153896.

The spelling of 1444116331 in words is "one billion, four hundred forty-four million, one hundred sixteen thousand, three hundred thirty-one".

Divisors: 1 7 179 1253 1152527 8067689 206302333 1444116331