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1444231654131 = 3768772935911
BaseRepresentation
bin10101000001000010111…
…010100010101011110011
312010001210222122122011010
4111001002322202223303
5142130241300413011
63023245412322003
7206225256336630
oct25010272425363
95101728578133
101444231654131
1150754a132752
121b3a9a313303
13a6262598c96
144dc88bcd187
152787b3ca1a6
hex15042ea2af3

1444231654131 has 8 divisors (see below), whose sum is σ = 2200733949184. Its totient is φ = 825275230920.

The previous prime is 1444231654127. The next prime is 1444231654163. The reversal of 1444231654131 is 1314561324441.

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

It is not a de Polignac number, because 1444231654131 - 22 = 1444231654127 is a prime.

It is a super-2 number, since 2×14442316541312 (a number of 25 digits) 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 1444231654131.

It is not an unprimeable number, because it can be changed into a prime (1444231654181) 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 7 ways as a sum of consecutive naturals, for example, 34386467935 + ... + 34386467976.

It is an arithmetic number, because the mean of its divisors is an integer number (275091743648).

Almost surely, 21444231654131 is an apocalyptic number.

1444231654131 is a deficient number, since it is larger than the sum of its proper divisors (756502295053).

1444231654131 is an equidigital number, since it uses as much as digits as its factorization.

1444231654131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68772935921.

The product of its digits is 138240, while the sum is 39.

Adding to 1444231654131 its reverse (1314561324441), we get a palindrome (2758792978572).

The spelling of 1444231654131 in words is "one trillion, four hundred forty-four billion, two hundred thirty-one million, six hundred fifty-four thousand, one hundred thirty-one".

Divisors: 1 3 7 21 68772935911 206318807733 481410551377 1444231654131