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13263043589 = 45132938853
BaseRepresentation
bin11000101101000100…
…11111110000000101
31021020022202102102122
430112202133300011
5204130314343324
610032025015325
7646446003365
oct142642376005
937208672378
1013263043589
115696707a54
1226a1924545
131334a303b3
148db67c9a5
155295b0a5e
hex31689fc05

13263043589 has 4 divisors (see below), whose sum is σ = 13265986956. Its totient is φ = 13260100224.

The previous prime is 13263043583. The next prime is 13263043597. The reversal of 13263043589 is 98534036231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98534036231 = 127775858553.

It can be written as a sum of positive squares in 2 ways, for example, as 2030223364 + 11232820225 = 45058^2 + 105985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13263043589 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 (13263043583) 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, 1464914 + ... + 1473939.

It is an arithmetic number, because the mean of its divisors is an integer number (3316496739).

Almost surely, 213263043589 is an apocalyptic number.

It is an amenable number.

13263043589 is a deficient number, since it is larger than the sum of its proper divisors (2943367).

13263043589 is an equidigital number, since it uses as much as digits as its factorization.

13263043589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943366.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 13263043589 in words is "thirteen billion, two hundred sixty-three million, forty-three thousand, five hundred eighty-nine".

Divisors: 1 4513 2938853 13263043589