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1313459668 = 221073068831
BaseRepresentation
bin100111001001001…
…1100110111010100
310101112111122221101
41032102130313110
510142221202133
6334155555444
744356136323
oct11622346724
93345448841
101313459668
11614460764
12307a5bb84
1317c16b491
14c66260ba
157a49d37d
hex4e49cdd4

1313459668 has 12 divisors (see below), whose sum is σ = 2320036992. Its totient is φ = 650591960.

The previous prime is 1313459659. The next prime is 1313459669. The reversal of 1313459668 is 8669543131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313459669) 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, 1533988 + ... + 1534843.

It is an arithmetic number, because the mean of its divisors is an integer number (193336416).

Almost surely, 21313459668 is an apocalyptic number.

It is an amenable number.

1313459668 is a deficient number, since it is larger than the sum of its proper divisors (1006577324).

1313459668 is a wasteful number, since it uses less digits than its factorization.

1313459668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068942 (or 3068940 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 1313459668 is about 36241.6841220162. The cubic root of 1313459668 is about 1095.1465697619.

The spelling of 1313459668 in words is "one billion, three hundred thirteen million, four hundred fifty-nine thousand, six hundred sixty-eight".

Divisors: 1 2 4 107 214 428 3068831 6137662 12275324 328364917 656729834 1313459668