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1368347026 = 2684173513
BaseRepresentation
bin101000110001111…
…0101000110010010
310112100210020020111
41101203311012102
510300244101101
6343440231534
745623520634
oct12143650622
93470706214
101368347026
1164243a412
1232230b5aa
1318a6482c7
14cda32a54
15801e1251
hex518f5192

1368347026 has 4 divisors (see below), whose sum is σ = 2052520542. Its totient is φ = 684173512.

The previous prime is 1368347009. The next prime is 1368347053. The reversal of 1368347026 is 6207438631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6207438631 = 16069386299.

It can be written as a sum of positive squares in only one way, i.e., 1252806025 + 115541001 = 35395^2 + 10749^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1368347026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342086755 + ... + 342086758.

Almost surely, 21368347026 is an apocalyptic number.

1368347026 is a deficient number, since it is larger than the sum of its proper divisors (684173516).

1368347026 is an equidigital number, since it uses as much as digits as its factorization.

1368347026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684173515.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1368347026 is about 36991.1749745801. The cubic root of 1368347026 is about 1110.1936804581.

The spelling of 1368347026 in words is "one billion, three hundred sixty-eight million, three hundred forty-seven thousand, twenty-six".

Divisors: 1 2 684173513 1368347026