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1032103012321 = 6687131543417
BaseRepresentation
bin11110000010011100010…
…00100010011111100001
310122200001000220102102101
433001032020202133201
5113402221332343241
62110050325250401
7134365321566103
oct17011610423741
93580030812371
101032103012321
11368792275237
12148041263a01
1376433264914
1437d4dcc3573
151bca9ceee31
hexf04e2227e1

1032103012321 has 4 divisors (see below), whose sum is σ = 1032105224452. Its totient is φ = 1032100800192.

The previous prime is 1032103012313. The next prime is 1032103012357. The reversal of 1032103012321 is 1232103012301.

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 672629619600 + 359473392721 = 820140^2 + 599561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032103012321 - 23 = 1032103012313 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1032103018321) 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, 102996 + ... + 1440421.

It is an arithmetic number, because the mean of its divisors is an integer number (258026306113).

Almost surely, 21032103012321 is an apocalyptic number.

It is an amenable number.

1032103012321 is a deficient number, since it is larger than the sum of its proper divisors (2212131).

1032103012321 is an equidigital number, since it uses as much as digits as its factorization.

1032103012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212130.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1032103012321 its reverse (1232103012301), we get a palindrome (2264206024622).

The spelling of 1032103012321 in words is "one trillion, thirty-two billion, one hundred three million, twelve thousand, three hundred twenty-one".

Divisors: 1 668713 1543417 1032103012321