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13248963835 = 52649792767
BaseRepresentation
bin11000101011011001…
…10010010011111011
31021012100021002122021
430111230302103323
5204113213320320
610030403135311
7646215222502
oct142554622373
937170232567
1013248963835
115689770698
122699074537
131331b40893
148d9855839
1552822ddaa
hex315b324fb

13248963835 has 4 divisors (see below), whose sum is σ = 15898756608. Its totient is φ = 10599171064.

The previous prime is 13248963823. The next prime is 13248963839. The reversal of 13248963835 is 53836984231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53836984231 = 141433806617.

It is a cyclic number.

It is not a de Polignac number, because 13248963835 - 29 = 13248963323 is a prime.

It is a super-2 number, since 2×132489638352 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13248963839) 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, 1324896379 + ... + 1324896388.

It is an arithmetic number, because the mean of its divisors is an integer number (3974689152).

Almost surely, 213248963835 is an apocalyptic number.

13248963835 is a deficient number, since it is larger than the sum of its proper divisors (2649792773).

13248963835 is an equidigital number, since it uses as much as digits as its factorization.

13248963835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649792772.

The product of its digits is 3732480, while the sum is 52.

The spelling of 13248963835 in words is "thirteen billion, two hundred forty-eight million, nine hundred sixty-three thousand, eight hundred thirty-five".

Divisors: 1 5 2649792767 13248963835