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1202421440513 = 2333715152403
BaseRepresentation
bin10001011111110101111…
…001110010000000000001
311020221122211002000220102
4101133311321302000001
5124200024342044023
62320215040252145
7152605060415246
oct21376571620001
94227584060812
101202421440513
11423a426131a7
12175054611055
138950716c647
14422a9d695cd
1521427599628
hex117f5e72001

1202421440513 has 4 divisors (see below), whose sum is σ = 1202426826288. Its totient is φ = 1202416054740.

The previous prime is 1202421440509. The next prime is 1202421440551. The reversal of 1202421440513 is 3150441242021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202421440513 - 22 = 1202421440509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202421448513) 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 3 ways as a sum of consecutive naturals, for example, 2342831 + ... + 2809572.

It is an arithmetic number, because the mean of its divisors is an integer number (300606706572).

Almost surely, 21202421440513 is an apocalyptic number.

It is an amenable number.

1202421440513 is a deficient number, since it is larger than the sum of its proper divisors (5385775).

1202421440513 is an equidigital number, since it uses as much as digits as its factorization.

1202421440513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385774.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1202421440513 its reverse (3150441242021), we get a palindrome (4352862682534).

The spelling of 1202421440513 in words is "one trillion, two hundred two billion, four hundred twenty-one million, four hundred forty thousand, five hundred thirteen".

Divisors: 1 233371 5152403 1202421440513