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444230211031 = 2915318283139
BaseRepresentation
bin1100111011011100010…
…11110001010111010111
31120110122011111220002221
412131232023301113113
524234240413223111
6540024311043211
744044303330405
oct6355613612727
91513564456087
10444230211031
11161440411612
1272117970507
1332b76c16649
14177024cc475
15b84e97b371
hex676e2f15d7

444230211031 has 4 divisors (see below), whose sum is σ = 459548494200. Its totient is φ = 428911927864.

The previous prime is 444230210959. The next prime is 444230211043. The reversal of 444230211031 is 130112032444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444230211031 - 227 = 444095993303 is a prime.

It is a super-2 number, since 2×4442302110312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444230210987 and 444230211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444230211071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7659141541 + ... + 7659141598.

It is an arithmetic number, because the mean of its divisors is an integer number (114887123550).

Almost surely, 2444230211031 is an apocalyptic number.

444230211031 is a deficient number, since it is larger than the sum of its proper divisors (15318283169).

444230211031 is a wasteful number, since it uses less digits than its factorization.

444230211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15318283168.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 444230211031 its reverse (130112032444), we get a palindrome (574342243475).

The spelling of 444230211031 in words is "four hundred forty-four billion, two hundred thirty million, two hundred eleven thousand, thirty-one".

Divisors: 1 29 15318283139 444230211031