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13053053503 = 72266388847
BaseRepresentation
bin11000010100000010…
…11100101000111111
31020200200121211012001
430022001130220333
5203213040203003
65555124123131
7641316060400
oct141201345077
936620554161
1013053053503
115599121326
1226435364a7
131300388bc9
148bb8199a7
15515e3161d
hex30a05ca3f

13053053503 has 6 divisors (see below), whose sum is σ = 15184164336. Its totient is φ = 11188331532.

The previous prime is 13053053501. The next prime is 13053053527. The reversal of 13053053503 is 30535035031.

It is not a de Polignac number, because 13053053503 - 21 = 13053053501 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 (13053053501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133194375 + ... + 133194472.

It is an arithmetic number, because the mean of its divisors is an integer number (2530694056).

Almost surely, 213053053503 is an apocalyptic number.

13053053503 is a deficient number, since it is larger than the sum of its proper divisors (2131110833).

13053053503 is an equidigital number, since it uses as much as digits as its factorization.

13053053503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266388861 (or 266388854 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 28.

Adding to 13053053503 its reverse (30535035031), we get a palindrome (43588088534).

The spelling of 13053053503 in words is "thirteen billion, fifty-three million, fifty-three thousand, five hundred three".

Divisors: 1 7 49 266388847 1864721929 13053053503