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253055401513 = 475384157479
BaseRepresentation
bin1110101110101101000…
…1101111111000101001
3220012011212101100001021
43223223101233320221
513121224140322023
6312130235252441
724165643264615
oct3535321577051
9805155340037
10253055401513
11983581a4672
12410638aa121
131ab2b0a0295
14c36851a345
1568b11a335d
hex3aeb46fe29

253055401513 has 4 divisors (see below), whose sum is σ = 258439559040. Its totient is φ = 247671243988.

The previous prime is 253055401481. The next prime is 253055401639. The reversal of 253055401513 is 315104550352.

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 253055401513 - 25 = 253055401481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253055401013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692078693 + ... + 2692078786.

It is an arithmetic number, because the mean of its divisors is an integer number (64609889760).

Almost surely, 2253055401513 is an apocalyptic number.

It is an amenable number.

253055401513 is a deficient number, since it is larger than the sum of its proper divisors (5384157527).

253055401513 is an equidigital number, since it uses as much as digits as its factorization.

253055401513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384157526.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 253055401513 its reverse (315104550352), we get a palindrome (568159951865).

The spelling of 253055401513 in words is "two hundred fifty-three billion, fifty-five million, four hundred one thousand, five hundred thirteen".

Divisors: 1 47 5384157479 253055401513