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13683049448 = 231710381181
BaseRepresentation
bin11001011111001001…
…01100001111101000
31022022121001221011012
430233210230033220
5211010330040243
610141431123052
7663036000305
oct145744541750
938277057135
1013683049448
1158917a7632
12279a513488
1313a0a57983
1493b3700ac
155513c6d18
hex32f92c3e8

13683049448 has 8 divisors (see below), whose sum is σ = 25655717730. Its totient is φ = 6841524720.

The previous prime is 13683049441. The next prime is 13683049453. The reversal of 13683049448 is 84494038631.

It can be written as a sum of positive squares in only one way, i.e., 9158872804 + 4524176644 = 95702^2 + 67262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13683049396 and 13683049405.

It is not an unprimeable number, because it can be changed into a prime (13683049441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855190583 + ... + 855190598.

Almost surely, 213683049448 is an apocalyptic number.

It is an amenable number.

13683049448 is a deficient number, since it is larger than the sum of its proper divisors (11972668282).

13683049448 is a wasteful number, since it uses less digits than its factorization.

13683049448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710381187 (or 1710381183 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 13683049448 in words is "thirteen billion, six hundred eighty-three million, forty-nine thousand, four hundred forty-eight".

Divisors: 1 2 4 8 1710381181 3420762362 6841524724 13683049448