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13308914489 = 131023762653
BaseRepresentation
bin11000110010100010…
…11110101100111001
31021100112001220110212
430121101132230321
5204224040230424
610040344120505
7650543622653
oct143121365471
937315056425
1013308914489
11570a598492
1226b5166135
1313413a1240
149037bd6d3
1552d62210e
hex31945eb39

13308914489 has 4 divisors (see below), whose sum is σ = 14332677156. Its totient is φ = 12285151824.

The previous prime is 13308914483. The next prime is 13308914501. The reversal of 13308914489 is 98441980331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6388005625 + 6920908864 = 79925^2 + 83192^2 .

It is a cyclic number.

It is not a de Polignac number, because 13308914489 - 24 = 13308914473 is a prime.

It is a super-2 number, since 2×133089144892 (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 (13308914483) 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, 511881314 + ... + 511881339.

It is an arithmetic number, because the mean of its divisors is an integer number (3583169289).

Almost surely, 213308914489 is an apocalyptic number.

It is an amenable number.

13308914489 is a deficient number, since it is larger than the sum of its proper divisors (1023762667).

13308914489 is a wasteful number, since it uses less digits than its factorization.

13308914489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023762666.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 13308914489 in words is "thirteen billion, three hundred eight million, nine hundred fourteen thousand, four hundred eighty-nine".

Divisors: 1 13 1023762653 13308914489