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1003230214421 = 2573813897841
BaseRepresentation
bin11101001100101010010…
…11100011100100010101
310112220111211122022122012
432212111023203210111
5112414103413330141
62044513321114005
7132323660056541
oct16462513434425
93486454568565
101003230214421
11357516335896
12142523928905
13737b1585b16
14367b1458a21
151b16a131ceb
hexe9952e3915

1003230214421 has 4 divisors (see below), whose sum is σ = 1003234369644. Its totient is φ = 1003226059200.

The previous prime is 1003230214409. The next prime is 1003230214429. The reversal of 1003230214421 is 1244120323001.

1003230214421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 186936034321 + 816294180100 = 432361^2 + 903490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1003230214421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003230214429) 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, 1691540 + ... + 2206301.

It is an arithmetic number, because the mean of its divisors is an integer number (250808592411).

Almost surely, 21003230214421 is an apocalyptic number.

It is an amenable number.

1003230214421 is a deficient number, since it is larger than the sum of its proper divisors (4155223).

1003230214421 is an equidigital number, since it uses as much as digits as its factorization.

1003230214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155222.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1003230214421 its reverse (1244120323001), we get a palindrome (2247350537422).

The spelling of 1003230214421 in words is "one trillion, three billion, two hundred thirty million, two hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 257381 3897841 1003230214421