Search a number
-
+
1444000052321 = 89101160640789
BaseRepresentation
bin10101000000110101000…
…111000011010001100001
312010001012211212001012022
4111000311013003101201
5142124303003133241
63023210420311225
7206216444632661
oct25006507032141
95101184761168
101444000052321
115074404258a2
121b3a34842515
13a62265c88a8
144dc661421a1
1527865dcc54b
hex150351c3461

1444000052321 has 8 divisors (see below), whose sum is σ = 1474682452200. Its totient is φ = 1413638934400.

The previous prime is 1444000052309. The next prime is 1444000052323. The reversal of 1444000052321 is 1232500004441.

It can be written as a sum of positive squares in 4 ways, for example, as 182298257296 + 1261701795025 = 426964^2 + 1123255^2 .

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 1444000052321 - 222 = 1443995858017 is a prime.

It is a super-2 number, since 2×14440000523212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444000052323) 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, 80311406 + ... + 80329383.

It is an arithmetic number, because the mean of its divisors is an integer number (184335306525).

Almost surely, 21444000052321 is an apocalyptic number.

It is an amenable number.

1444000052321 is a deficient number, since it is larger than the sum of its proper divisors (30682399879).

1444000052321 is a wasteful number, since it uses less digits than its factorization.

1444000052321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160640979.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1444000052321 its reverse (1232500004441), we get a palindrome (2676500056762).

The spelling of 1444000052321 in words is "one trillion, four hundred forty-four billion, fifty-two thousand, three hundred twenty-one".

Divisors: 1 89 101 8989 160640789 14297030221 16224719689 1444000052321